# Mathematics Grade 11 P1 National Exemplar November 2019 Memo

> Grade 11 Mathematics Paper 1 memorandum from the National Exemplar November Exam 2019 (Afrikaans), 17 pages. Read online or download the free PDF.

- Page: https://www.hlayiso.com/library/gr11-math-p1-afrikaans-and-english-november-2019-possible-answers/e4962b19-d0cb-4874-a7fa-58cd8e95ab68
- Updated: 2026-09-27
- Subject: Mathematics
- Grade: Grade 11
- Language: Afrikaans
- Document type: Memorandum
- Year: 2019
- Exam period: National Exemplar November Exam
- Paper: 1
- Curriculum: CAPS
- Pages: 17

Breadcrumbs: [Home](https://www.hlayiso.com/) › [Library](https://www.hlayiso.com/library) › [Grade 11](https://www.hlayiso.com/library/grade-11) › [Mathematics](https://www.hlayiso.com/library/grade-11/mathematics) › [Mathematics Grade 11 P1 National Exemplar November 2019 Memo](https://www.hlayiso.com/library/gr11-math-p1-afrikaans-and-english-november-2019-possible-answers/e4962b19-d0cb-4874-a7fa-58cd8e95ab68)

## About this document

Mathematics · Grade 11 · National Exemplar November Exam · 2019 · Afrikaans. Memorandum, 17 pages. Read online or download the PDF.

Read it free online on the page above; download the PDF from there.

## Document text

Text extracted from the PDF. Layout, diagrams and tables may not survive extraction.

### Page 1

Downloaded from hlayiso.com

                                                           testpapers.co.za

                                         NATIONAL
                                    SENIOR CERTIFICATE/
                                         NASIONALE
                                     SENIOR SERTIFIKAAT

                                        GRADE/GRAAD 11

                               MATHEMATICS P1/WISKUNDE V1

                                         NOVEMBER 2019

                         MARKING GUIDELINES/NASIENRIGLYNE

MARKS/PUNTE: 150

                           These marking guidelines consist of 17 pages./
                            Hierdie nasienriglyne bestaan uit 17 bladsye.

Copyright reserved/Kopiereg voorbehou                               Please turn over/Blaai om asseblief

### Page 2

Downloaded from hlayiso.com
Mathematics/P1/Wiskunde V1                        2                                   DBE/November 2019
                      CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne

NOTE:
• If a candidate answered a question TWICE, mark only the FIRST attempt.
• If a candidate crossed out an answer and did not redo it, mark the crossed-out answer.
• Consistent accuracy applies to ALL aspects of the marking guidelines.
• Assuming values/answer in order to solve a problem is unacceptable.
LET WEL:
• As 'n kandidaat 'n vraag TWEE keer beantwoord het, sien slegs die EERSTE poging na.
• As 'n kandidaat 'n antwoord deurgehaal en nie oorgedoen het nie, sien die deurgehaalde
   antwoord na.
• Volgehoue akkuraatheid is op ALLE aspekte van die nasienriglyne van toepassing.
• Dit is onaanvaarbaar om waardes/antwoorde te veronderstel om 'n probleem op te los.
QUESTION/VRAAG 1
1.1.1   2 x ( x − 3) = 0
        2 x = 0 or/of x = 3                                               x = 0
                                                                          x= 3
        x=0
                                                                                                             (2)
1.1.2            2
              3x − 2 x = 4
                                                                         standard form/standaardvorm
          3x 2 − 2 x − 4 = 0
                            − b ± b 2 − 4ac
                         x=
                                  2a
                                                                         substitution into correct formula/
                              − (− 2 ) ±   (− 2)2 − 4(3)(− 4)            vervanging in korrekte formule
                          =
                                            2(3)
                         x =1,54       or x = − 0,87
                                                                         answer/antw.
                                                                         answer/antw.
                                                                                                             (4)
1.1.3        ( x − 1)(4 − x) ≥ 0

                                                                         critical values/kritieke waardes
                     1                 4

                                                                          1 ≤ x ≤ 4
               1 ≤x≤4                                                                                     (3)
1.1.4          5 − x = x +1
                                                                         squaring both sides/
                5 − x = ( x +1)
                                   2
                                                                         kwadreer beide kante
                 5 − x = x 2 + 2 x +1
                                                                         standard form/standaardvorm
          x 2 + 3x − 4 = 0                                               factors or using formula/
        (x + 4)(x − 1)= 0                                                faktore of gebruik formule
                     x ≠ − 4 or x =1                                     both solutions to/
                                                                         beide oplossings x
                                                                          rejecting/verwerp x = −4
                                                                                                             (5)

Copyright reserved/Kopiereg voorbehou

### Page 3

Downloaded from hlayiso.com
Mathematics/P1/Wiskunde V1                        3                                            DBE/November 2019
                      CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne

1.2                              x+4 = 2y            and   y 2 − xy + 21 = 0
                                    ∴ x= 2y − 4                                 x= 2y − 4
         y 2 − ( 2 y − 4) y + 21 = 0                                           substitution /verv.
            y 2 − 2 y 2 + 4 y + 21 = 0
                 − y 2 + 4 y + 21 = 0                                          std form/stand. vorm
                         2
                    y − 4 y − 21 = 0
                  ( y − 7 )( y + 3) = 0                                        factors or using formula/
                                                                               faktore of gebruik formule
                                  y = 7 or y = − 3
                                                                               y-values/wrdes
                                  x = 2(7 ) − 4     or    x = 2 (− 3) − 4
                                  x = 10         or    x = −10                 x-values/wrdes
                                                                                                                      (6)
1.3     2(x − 3) + 2 = 0
                     2

                                                                                ( x − 3) = −1
                                                                                           2
        (x − 3) = −1
                 2
                                                                               conclusion/gevolgtrekking            (2)
        ∴ roots are non - real/wortels is niereël
1.4     g ( x) =
               −2 x 2 − px + 3

              −b − ( − p )     p                                                x= − p
        x=      =          = −
              2a 2 ( −2 )      4                                                           4
                             2
              p       p
        y=−2  −  − p  −  + 3
              4       4
                                                                                               2
                                                                                           p     p      1
                                                                                −2  −
                         2
            p       p         1                                                          − p− +3 =3
        −2  −  − p  −  + 3 =3                                                         4     4      8
            4       4         8
            p2 2 p2 1                                                          simplification/vereenvoudiging
        −     +    =
            8   8   8

        p2 = 1                                                                  p = ±1
        p = ±1                               OR/OF

                                         4ac − b 2                                                4ac − b 2
        max value/maks waarde =                                                 max value =
                                            4a                                                       4a
        4(− 2)(3) − p 2 25                                                       4(− 2 )(3) − p 2
                                                                                                     25
                       =                                                                          =
            4(− 2 )      8                                                           4(− 2 )          8
        − 24 − p 2 25
                   =
            −8       8
                   2
                                                                               simplification
        − 192 − 8 p = −200
        8p2 = 8                                                                 p = ±1
        p = ±1                                                                                                        (4)
                                                                                                                     [26]

Copyright reserved/Kopieregvoorbehou                                           Please turn over/Blaai om asseblief

### Page 4

Downloaded from hlayiso.com
Mathematics/P1/Wiskunde V1                        4                                     DBE/November 2019
                      CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne
QUESTION/VRAAG 2

2.1       32 x +1.15 2 x −3
          27 x −1.3 x.5 2 x − 4
           32 x +1.32 x −3.5 2 x −3                                           prime bases/priembasis
         =                                                                    base/basis 3
            33 x −3.3 x.5 2 x − 4
                                                                             adding and subtracting
         = 32 x +1+ 2 x −3 −3 x + 3− x . 5 2 x −3− 2 x + 4                     exponents/optel en aftrek van
         = 3.5                                                                 eksponente
         = 15                                                                answer/antw.
                                                                                                           (4)
2.2.1    1
                   x

           = 32
         2
                   x
         1        5
           =2
           2
          
                                                                             same base/dieselfde basis
         2 − x = 25
         −x=5                                                                equating indices/
         x = −5                                                               gelykstelling van eksponente
                                                                             answer/antw.
         OR/OF
             x                                                               OR/OF
         1
           = 32
         2
                   x
         1    5
           =2
          2
                                                                            same base/dieselfde basis
                   x          −5
         1 1
           =                                                             simplification/vereenv
         2 2
                                                                             answer/antw.
         x = −5                                                                                                 (3)

2.2.2          1
          3            =4
              x2
               −2                                                            exp form/eksp. vorm
              x 3 = 22
                              3
                   x= 2 ( ) 2 −2
                                                                              x = (2 2 )− 2
                                                                                          3

                x = 2−3
                    1                                                        answer/antw.
                x=                                                                                              (3)
                    8

Copyright reserved/Kopieregvoorbehou                                      Please turn over/Blaai om asseblief

### Page 5

Downloaded from hlayiso.com
Mathematics/P1/Wiskunde V1                        5                                       DBE/November 2019
                      CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne

2.2.3
                   12
         2x −         = −4
                   2x
         (2 ) − 12 = −4.2
             x 2                             x
                                                                             mult by LCD/KGN
         (2 ) + 4.2 − 12 = 0
             x 2                 x
                                                                                ( )   2
                                                                              2 x + 4.2 x − 12 = 0
         (2 + 6)(2 − 2) = 0
             x               x                                               factors/faktore
                                                                              2 x ≠ −6
         2 x ≠ −6    or    2x = 2                                             x =1
         no solution/geen oplossing or/of                  x =1                                                  (5)

         OR/OF                                                               OR/OF

         Let 2 x = k
             12
         k − = −4
              k
           2
         k − 12 = −4k
                                                                              mult by LCD/KGN
         k 2 + 4k − 12 = 0                                                    k 2 + 4k − 12 = 0
         (k − 2)(k + 6) = 0                                                  factors/faktore
         k = 2 or k = −6
         2 x = 2 or                      2 x ≠ −6                             2x ≠ − 6
         x =1    or                      no solution                          x =1
                                                                                                                 (5)
                 2               4
2.3                      +
             2 +1                    2

         =
                     2. 2
                                         +
                                                 (
                                             4 2 +1    )                     LCD/KGN
              ( ) 2 ( 2 + 1)
                 2 2 +1

         =
           ( 2) +4 2 + 2
                     2                           2
                                                                             perfect square trinomial
                                                                             volkome vierkant drieterm
                         2+ 2                                                simplification denominator/
                                                                             vereenvoudigingsnoemer

         =
           ( 2 + 2)              2

                                                                             factors/faktore
                 2+ 2
         = 2+ 2                                                              answer/antwoord
                                                                                                                 (5)
                                                                                                                [22]

Copyright reserved/Kopieregvoorbehou                                      Please turn over/Blaai om asseblief

### Page 6

Downloaded from hlayiso.com
Mathematics/P1/Wiskunde V1                        6                                    DBE/November 2019
                      CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne

QUESTION/VRAAG 3

3.1        -5                    0                   5

                             5            5

         Tn = an + b                                                                     5n
                                                                                         − 10
            = 5n − 10
                                                                                                                (2)

3.2      T12 = 5(12 ) − 10                                                              substitution/verv.
            = 50                                                                        answer/antw.
                                                                                                           (2)
3.3      5n −10 = 130                                                                   substitution/verv.
             5n = 140
              n = 28                                                                    answer/antw.
                   28 term(T28 )
                        th
                                                                                                                (2)

                                                                                                                [6]

Copyright reserved/Kopieregvoorbehou                                      Please turn over/Blaai om asseblief

### Page 7

Downloaded from hlayiso.com
 Mathematics/P1/Wiskunde V1                        7                                     DBE/November 2019
                       CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne

 QUESTION/VRAAG 4

4.1.1     13                    27                  45                   67

                      14                 18                   22

                                    4               4
        It is a quadratic number pattern/ Dit is 'n kwadratiese getalpatrron           quadratic/ kwadratiese
        Second difference is constant./Tweede verskil is konstant.                     justification/
                                                                                       regverdiging
                                                                                                                 (2)
4.1.2           2a = 4
                 a=2                                                                   a =2
          3(2) + b = 14
                 b=8                                                                    b =8
         2 + 8 + c = 13
                                                                                        c =3
                 c=3
                                                                                                  2
                Tn = 2n 2 + 8n + 3                                                      Tn = 2n + 8n + 3
                                                                                                                 (4)

4.1.3     Tn = 2n 2 + 8n + 3
                                                                                        substitution/vervanging
        T100 = 2(100 ) + 8(100 ) + 3
                          2

               = 20803                                                                 answer/antwoord
                                                                                                                 (2)

4.1.4    4n + 10 = 110                                                                  4n +10 = 110
              4n = 100
                n = 25                                                                  n = 25
        T25 = 2(25) + 8(25) + 3
                      2
                                                                                        T25 =1453
             = 1453
        T26 = 2(26 ) + 8(26 ) + 3
                      2
                                                                                        T26 = 1563
             =1563
                                                                                                                 (5)

 Copyright reserved/Kopieregvoorbehou                                      Please turn over/Blaai om asseblief

### Page 8

Downloaded from hlayiso.com
 Mathematics/P1/Wiskunde V1                        8                                       DBE/November 2019
                       CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne

4.1.5   The first and second differences are all even but the first term is odd./      argument
        Die eerste en tweede verskille is gelyk maar die eerste term is onewe.         conclusion/gevolgtr
        Thus when adding an even to an odd number the answer will always
        be odd./Wanneer 'n ewe by 'n onewe getal gevoeg word, sal die
        antwoord altyd onewe wees.                                                     OR/OF
        OR/OF
        Tn = 2n 2 + 8n + 3
        2n 2 has an even coeficient thus it even
        8n has an even coeficient thus it even                                         argument
        3 is an odd number                                                             conclusion/gevolgtr
        ∴ the values will always be odd

        OR/OF                                                                          OR/OF

        Tn = 2n 2 + 8n + 3
              (
         = 2 n 2 + 4n + 3 )                                                                 (   2
                                                                                        2 n + 4n + 3  )
         For all n ∈ N,
          (           )
         2 n 2 + 4n is even/ewe
              (           )
        ∴ 2 n 2 + 4n + 3 is odd/onewe                                                  conclusion/gevolgtr
        because an even + odd will always be odd/want ' n ewe                                                           (2)
        en ' n onewe sal altyd ' n onewe maak
4.2     1st difference/1ste verskil:
                              p
         2 p − 4 ; p − 3;       −1
                              2
        2nd difference/2de verskil:                                                    
                            p
         p − 3 − (2 p − 4) = − 1− ( p − 3)                                             p − 3 − (2 p − 4 ) =
                                                                                                              p
                                                                                                                − 1 − ( p − 3)
                            2                                                                                 2
                              p
                  − p +1 = − + 2
                              2
                        p
                     − =1
                        2                                                               p =− 2
                        p = −2
                  4                    -4            -9                 -11

                              -8             -5                -2

                                       -2            -2
                                     −2                                                 2(− 2) − 4 = −8
         2(− 2 ) − 4 ; − 2 − 3 ;        −1
                                     2
                                                                                        y=−9
         − 8; − 5; − 2
                                                                                        x=− 4
         x = − 4 and y = − 9                                                                                             (5)
                                                                                                                        [20]

 Copyright reserved/Kopieregvoorbehou                                      Please turn over/Blaai om asseblief

### Page 9

Downloaded from hlayiso.com
Mathematics/P1/Wiskunde V1                        9                                    DBE/November 2019
                      CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne

QUESTION/VRAAG 5

5.1              1      2x + 6
       f(
        = x)          −
               x −3 x +3
           1    2 ( x + 3)
       =      −                                                              common factor
         x −3      x+3                                                       gemene faktor
           1                                                                 simplification/vereenv.
       =      −2
         x −3                                                                                      (2)
5.2    x= 3                                                                  x = 3
       y = −2                                                                y = –2
                                                                                                   (2)
5.3                 1
                0=    −2                                                     subst./verv. y = 0
                  x−3
                    1
              2=
                  x−3
       2(x − 3) = 1                                                          simplification/vereenv.
        2x − 6 = 1
                  7
              x=                                                             answer/antw.
                  2
                                                                                                        (3)
5.4           1
      =y         −2
            0 −3                                                             subst/verv. x = 0
           −7
       =                                                                     answer/antw.
            3

      OR/OF
                                                                             answer/antw
        −7                                                                                            (2)
       0; 
        3 

Copyright reserved/Kopieregvoorbehou                                      Please turn over/Blaai om asseblief

### Page 10

Downloaded from hlayiso.com
Mathematics/P1/Wiskunde V1                        10                                   DBE/November 2019
                      CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne

5.5              y

                                           f

                                                                x
             O                         3   3,5                           asymptotes/asimptote
                                                                         shape/vorm
         -2                                                              x- and y- int.
             7
         −
             3             f

                                                                                                        (3)

5.6   y= x+c                                                             m=1
      − 2 =3+ c                                                          substitution of/vervanging
                                                                         van (3; − 2 )
      c=−5
                                                                          c=−5
      y=x−5
                                                                                                        (3)
5.7
      Translate f 3 units to the left and 2 units up.                    3 units to the left
      Transleer f 3 eenhede na links en 2 eenhede op.                    eenhede na links
                                                                         2 units up/eenhede op
                                                                                                        (2)
5.8   x ∈(− ∞; + ∞ ) ; x ≠ 0                                              x ∈(− ∞; + ∞ )
      OR/OF                                                               x ≠0
      x ∈ R; x ≠ 0                                                                                     (2)
                                                                                                      [19]

Copyright reserved/Kopieregvoorbehou                                      Please turn over/Blaai om asseblief

### Page 11

Downloaded from hlayiso.com
Mathematics/P1/Wiskunde V1                        11                                   DBE/November 2019
                      CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne

QUESTION/VRAAG 6

6.1      y = −3 x + k
         0 = − 3(5) + k                                                   substitute/verv. ( 5 ; 0)
         k =15
                                                                                                                (1)
6.2         −b
         x=
            2a
                                 or
             −2
         x=                        −3+5
            2(− 1)              x=
                                    2                                     x=1
         x=1
                                 =1

         y = −(1) + 2(1) + 15
                 2

                                                                         substitution/vervanging
         y =16                                                            y = 16
         D (1;16)
                                                                                                                (3)
6.3      x<1
         OR/OF                                                            answer/antwoord
         x ∈ (− ∞;1)                                                                                            (1)

6.4      A(−3 ;0)
         D(1 ;16)
                                       y 2 − y1                          formula/formule
         Ave grad / Gemidgrad =
                                       x 2 − x1
                                   0 − 16                                subst. into correct formula
                                  =                                      /verv. in formule
                                   − 3 −1
                                  =4                                     answer/antwoord
                                                                                                                (3)

Copyright reserved/Kopieregvoorbehou                                      Please turn over/Blaai om asseblief

### Page 12

Downloaded from hlayiso.com
Mathematics/P1/Wiskunde V1                        12                                       DBE/November 2019
                      CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne

6.5             D(1 ;16)
                                                                       E(1;12)
                E(1;12)
                                                                       answer/antwoord
         DE = 4units
                                                                                                                 (2)
6.6        h(x ) = f (x − 1) − 2
                = − (x − 1) + 2(x − 1) + 15 − 2
                             2

                                                                       − (x − 1) + 2(x − 1) + 15 − 2
                                                                                       2
                      2
                = − x + 2 x − 1 + 2 x − 2 + 15 − 2
                = − x 2 + 4 x + 10                                             2
                                                                       − x + 4 x + 10
                   (           )
                = − x 2 − 4 x −10
                = −(x + −4 x + 4 − 4 −10 )
                       2
                                                                           (       2
                                                                       − x + −4 x + 4 − 4 −10       )
                = −(x − 2 ) + 14                                       h(x ) = −(x − 2 ) + 14
                             2                                                               2

         OR/OF                                                        OR/OF
         D(1;16 ) and a = −1                                          subst./vervang D(1;16 ) and a = −1
                   f ( x ) = −( x − 1) + 16
                                     2

                                                                      correct form/korrekte vorm

                   h( x ) = f ( x − 1) − 2
                                                                       h( x ) = −(x − 1 − 1) + 16 − 2
                                                                                                 2
                           = −( x − 1 − 1) + 16 − 2
                                          2

                                                                       h( x ) = −( x − 2) + 14
                                                                                             2
                           = −( x − 2 ) + 14
                                      2

                                                                                                                 (4)
6.7
         max value of/maks wrde van f (x ) is 16                       max value of f ( x ) is 16
         ∴ max value of/maks wrde van f (x ) − 12 is 16 − 12 = 4       max value of f ( x ) − 12 is 16 − 12 = 4
         max/ maks p ( x) = 3 4
                      = 81                                            answer/antw.
                                                                                                                 (3)
6.8      x ∈ R; x ≠ 1                                                 answer/antwoord
                                                                                                                 (2)
                                                                                                                [19]

Copyright reserved/Kopieregvoorbehou                                      Please turn over/Blaai om asseblief

### Page 13

Downloaded from hlayiso.com
Mathematics/P1/Wiskunde V1                        13                                   DBE/November 2019
                      CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne

QUESTION/VRAAG 7

7.1            y = 3x + p − 27                                            \
             54 = 33+ p − 27                                              subs/vervanging (3 ; 54)
                      3+ p
             81 = 3
                                                                           equating indices/gelykst. eksp.
            34 = 33+ p
          3+ p= 4
               p =1                                                       answer/antwoord
                                                                                                                (3)

7.2       range / waardeversameling              y > −27
               or / of                                                     answer/antwoord
                  y ∈ (− 27 ; ∞ )                                                                               (2)
7.3       −y=3     x +1
                          − 27
         g ( x ) = − 1.3 x +1 + 27                                        new equation/nuwe verg.
                          0 +1
             y = − 1.3 + 27
                                                                           answer/antwoord
               = 24
                y − intercept/afsnit (0 ; 24 )                                                                  (2)
                                                                                                                [7]

Copyright reserved/Kopieregvoorbehou                                      Please turn over/Blaai om asseblief

### Page 14

Downloaded from hlayiso.com
Mathematics/P1/Wiskunde V1                        14                                                DBE/November 2019
                      CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne

QUESTION/VRAAG 8

8.1          A = P(1 − i) n
                                                                                               substitution/verv.
        85 000 = 200 000(1 − i ) 5
                          85 000                                                               rewrite in terms of i/
               i =1 − 5                                                                        skryf in terme van i
                          200 000
              i =15,73%                                                                        answer/antw.
                                                                                                                              (3)
8.2                   i 
                                m

        1 + ieff = 1 + nom                                                                   formula/form.
                       m 
                                    4
                       0,085                                                                 i = 0,085
        1 + ieff = 1 +       
                         4                                                                           4
                                    4
                      0,085 
           ieff = 1 +        −1
                        4 
           ieff = 8,77%                                                                        answer/antw.                 (3)

8.3.1   A = P(1 + i) n
                                    2×12
                    0,12                                                                     substitution/verv.
           = 28 0001 +    
                       12 
           = R 35 552,57                                                                       answer/antw.
                                                                                                                              (2)

8.3.2

                                                                                                0,12 and n = 48
                                         12× 4                2× 4
                    0,12                        0,129 
        A = 28 000 1+                          1 +               +                            12
                      12                           2 
                                    12                 2× 4                     2× 3            0,129 and n = 8
                   0,12   0,129                                  0,129                       12
           12 000 1+     1 +                              − 65001+     
                     12      2                                     2 
           = R87 267,25                                                                        
                                                                                                                12             2×4
                                                                                                       0,12   0,129 
                                                                                               12 000 1 +    1 +    
                                                                                                       12        2 

                                                                                                                       2×3
                                                                                                             0,129 
                                                                                                − 65001 +       
                                                                                                              2 
                                                                                                answer/antw.
                                                                                                                              (5)
        OR/OF

Copyright reserved/Kopieregvoorbehou                                                   Please turn over/Blaai om asseblief

### Page 15

Downloaded from hlayiso.com
Mathematics/P1/Wiskunde V1                        15                                   DBE/November 2019
                      CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne

                                                                                  
                                                                                                      12×3
                   0,12 
                                 12×3
                                                                                          0,12 
        A = 28 000 1 +               + 12 000}                                 28 000 1 +
                                                                                         
                                                                                                 
                                                                                              12 
                                                                                                             + 12000
                      12 
                                            12         2                     6
                                 0,12   0,129          0,129                
                                1 +     1 +    − 6500 1 +                             12
                                                                                   0,12   0,129 
                                                                                                             2
                                    12      2             2                 1 +     1 +    − 6500
                                                                                      12      2 
        = R87 267,25
                                                                                                  6
                                                                                     0,129 
                                                                                   1 +     
                                                                                        2 
                                                                                   answer/antw.
                                                                                                                  (5)

                                                                                                                 [13]

Copyright reserved/Kopieregvoorbehou                                      Please turn over/Blaai om asseblief

### Page 16

Downloaded from hlayiso.com
Mathematics/P1/Wiskunde V1                        16                                   DBE/November 2019
                      CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne

QUESTION/VRAAG 9

9.1.1    P(A and/en B)
         = P( A) × P(B)                                                                 0,48 × 0,28

         = 0,48 × 0,28
         = 0,1248                                                                      answer/antwoord

                                                                                                                (2)
9.1.2    P(A or B) = P(A ) + P(B)
                      = 0 ,48 + 0 ,26                                                  substitution/verv.
                                                                                       answer/antwoord
                      = 0 ,74
                                                                                                                (2)
9.2.1                       10 + 6 + x + 5 = 29                                        method/metode
                                         x =8                                          value of/wrde van x
         41 + 10 + 30 + 6 + 8 + 5 + 25 + y = 130                                       method/metode
                                         y=5
                                                                                       value of/wrde van y
                                                                                                          (4)

9.2.2                                      41 + 10 + 30    5                           41 + 10 + 3
         P(no nut snack or no snack ) =                 +                              adding/optel 5
                                               130        130
                                           43
                                         =                                             answer/antwoord
                                           65                                                                   (3)

9.3.1

                                   0,3      B         (B ; B)                           branch at first level
                                                                                       tak by eerste vlak
                            B
               0,35                0,7      C         (B ; C)                           branches at second
                                                                                       level/takke by tweede
                                                                                       vlak
                                   0,3      B         (C ; B)
               0,65
                            C                                                          outcomes/uitkomste
                                   0,7      C         (C ; C)                           probabilities
                                                                                       /moontlikhede
                                                                                                                (4)

Copyright reserved/Kopieregvoorbehou                                      Please turn over/Blaai om asseblief

### Page 17

Downloaded from hlayiso.com
Mathematics/P1/Wiskunde V1                        17                                  DBE/November 2019
                      CAPS/KABV – Grade/Graad 11 – Marking Guidelines/Nasienriglyne

9.3.2    P(BB) + P(CC ) = (0, 35 × 0, 3) + (0, 65 × 0, 7 )                            
                           = 0,56 = 56%                                               (0, 35 × 0, 3) + (0, 65 × 0, 7 )
                                                                                      probability/moontlik-
               0,56 × 200 = 112 clients/kliënte                                       hede
                                                                                       answer/antwoord
                                                                                                          (3)
9.3.3    Number of clients who chose different meals/Getal kliënte wat                 88
         verskillende maaltye gekies het = 200 – 112 = 88

         More clients preferred to make the same choice/Meer kliënte verkies
         om dieselfde keuse te maak.                                                   conclusion/gevolgtr.
                                                                                                         (2)
                                                                                                        [20]

                                                                                      TOTAL/TOTAAL: 150

Copyright reserved/Kopiereg voorbehou

## Related documents

- [Gr11 Math P2 (Afrikaans) November 2019 Possible Answers](https://www.hlayiso.com/library/gr11-math-p2-afrikaans-november-2019-possible-answers/d5138457-8292-415c-8ae5-52ff1920ee97) — Mathematics · Memo · 2019 · Afr
- [MATHS P1 GR11 MEMO NOV 2019 English+Afrikaans2](https://www.hlayiso.com/library/maths-p1-gr11-memo-nov-2019-english-afrikaans2/c5737a2c-1e54-41a6-8970-5bbb54f884f3) — Mathematics · Memo · 2019 · Afr
- [G11 Math P2 (Afrikaans) November 2019 Question Paper](https://www.hlayiso.com/library/g11-math-p2-afrikaans-november-2019-question-paper/ef5d8a14-92a5-4e9c-ba98-30f5140b04de) — Mathematics · QP · 2019 · Afr
- [Gr11 Math P1 (Afrikaans) June 2019 Question Paper](https://www.hlayiso.com/library/gr11-math-p1-afrikaans-june-2019-question-paper/8a92fc2a-58f8-4c91-9d87-bc71603b08cd) — Mathematics · QP · 2019 · Afr
- [MATHS P1 GR11 MEMO NOV 2020 English+Afrikaans](https://www.hlayiso.com/library/maths-p1-gr11-memo-nov-2020-english-afrikaans/89544f20-6bf0-4ca5-b1c6-bb6abeb0c3cd) — Mathematics · Memo · 2020 · Afr
- [Gr11 Math P1 (Afrikaans) June 2017 Possible Answers](https://www.hlayiso.com/library/gr11-math-p1-afrikaans-june-2017-possible-answers/b8504619-0cb6-476d-944d-f53d2ea22f72) — Mathematics · Memo · 2017 · Afr

## More from Grade 11 Mathematics

- [FS Maths Grade 11 June 2025 P1 only](https://www.hlayiso.com/library/fs-maths-grade-11-june-2025-p1-only/82015d8f-bcc0-478e-ad47-d3b295dabb01) — QP · 2025
- [FS Maths Grade 11 June 2025 P2 only](https://www.hlayiso.com/library/fs-maths-grade-11-june-2025-p2-only/5d0e7dd8-cb37-419c-8fe2-0aee27fbdc84) — QP · 2025
- [KZN Maths Grade 11 November 2025 P2 and Memo](https://www.hlayiso.com/library/kzn-maths-grade-11-november-2025-p2-and-memo/a2aac931-a969-41c8-bde2-85d23035d042) — QP + Memo · 2025
- [MATHS P2 ANSWER BOOK GR11 2024 ENG AFR D watermark](https://www.hlayiso.com/library/maths-p2-answer-book-gr11-2024-eng-afr-d-watermark/91fd4f6b-a252-4d30-b6b1-f8f546015336) — Addendum · 2024 · Afr
- [Gr 11 Mathematics P1 (Afrikaans) June 2024 Question Paper](https://www.hlayiso.com/library/gr-11-mathematics-p1-afrikaans-june-2024-question-paper/1a0f4a9d-f18a-4aca-af77-5a81acfb8e0c) — QP · 2024 · Afr
- [Gr 11 Mathematics P2 (Afrikaans) June 2024 Question Paper](https://www.hlayiso.com/library/gr-11-mathematics-p2-afrikaans-june-2024-question-paper/4934c5d3-e2a1-4d6b-acf6-d00e0623d46d) — QP · 2024 · Afr

## Collection

- [Grade 11 past papers](https://www.hlayiso.com/grade-11/past-papers)

---

Hlayiso: free CAPS and IEB past papers, memos, notes and study guides for South African learners. When citing, link the page URL above, not a PDF or /api/ URL.
