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PROVINSIALE EKSAMEN
JUNIE 2023
GRAAD 11
NASIENRIGLYNE
WISKUNDE (VRAESTEL 1)
10 bladsye
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Gr 11 Math P1 (Afrikaans) June 2023 Possible Answers_hlayiso.com_.pdf
Mathematics · Grade 11 · Gauteng June Exam · 2023 · Afrikaans. Memorandum, 10 pages. Read online or download the PDF.
- Subject
- Mathematics
- Grade
- Grade 11
- Language
- Afrikaans
- Document type
- Memorandum
- Year
- 2023
- Exam period
- Gauteng June Exam
- Paper
- 1
- Pages
- 10
- File size
- 1.3 MB
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAA
VRAAG 1
1.1 1.1.1 x {4 ; 5} antwoord
antwoord (2)
1.1.2 x {0 ; 3} antwoord
antwoord (2)
1.1.3 x {1 ; 2} antwoord
antwoord (2)
1.2 1.2.1 3x 2 4 x 0
x (3 x 4) 0 faktore
4
x 0 of x antwoorde
3
NOTA: Enige ander geldige metode. (3)
1.2.2 3x – 14 = –6x2
standaard vorm
6x2 + 3x – 14 = 0
(3) (3) 2 4(6)( 14) substitusie
x=
2(6)
x = 1,29 of x = –1,79 antwoorde (4)
1.2.3 ( x 1)( x 3) 12
x 2 2 x 3 12
standaard vorm
x 2 2 x 15 0
-3 5 faktore
( x 5)( x 3) 0
x 5of x 3 antwoorde (4)
1.2.4 2 x 2 x
2 x x2
( 2 x ) 2 ( x 2) 2 kwadreer beide kante
2 x x2 4x 4
0 x 2 3x 2 standaard vorm
0 = (x – 2)(x – 1) faktore
x = 2 ... of ... x = 1(NA) antwoorde met keuse (4)
2
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAA
1.2.5 x6 0
x 6 waarde van x
x 2y 3
6 2y 3 substitusie
2y 3
3
y waarde van y
2 (3)
1.3 y – 1 = 2x
uitdrukking vir y
y = 2x + 1 ………(1)
x2 + xy – 3x – y + 2 = 0 ………(2)
substitusie
x2 + x(2x + 1) – 3x – (2x + 1) + 2 = 0
x2 + 2x2 + x – 3x – 2x – 1 + 2 = 0
3x2 – 4x + 1 = 0 standaard vorm
(3x – 1)(x – 1) = 0
1 x-waardes
x = ... of ... x = 1
3
5 y-waardes
y= ... of ... y = 3
3 (5)
1.4 x 2 px p 2 2
x 2 px p 2 2 0
b 2 4ac
( p ) 2 4(1)( p 2 2) vervang in
p2 4 p2 8
5 p2 8
5 p2 8
p 2 0 p
5 p 2 0 p p 2 0 , 5 p 2 0 en
2
5 p 8 0 p 5 p2 8 0
wortels is reël en ongelyk. (3)
3
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAA
1.5 Die 100 m -heining word gebruik vir drie kante
omdat die bestaande muur een kant vorm.
Muur
� �
�
heining = 2x + y = 100
y = –2x + 100
A xy uitdrukking vir y
A = x(–2x + 100)
A = –2x2 + 100x uitdrukking vir A
A = –2(x2 – 50x)
A = –2(x2 – 50x – 625 – 625) voltooi vierkant
A = –2(x – 25)2 –625)
Maksimum oppervlak: x 25 waarde van x
A 2( 25) 2 100( 25)
waarde van A
A 1 250
1 250 25 y
y 50 waarde van y (7)
[39]
4
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAA
VRAAG 2
2.1 2.1.1 3n2.9n1
27n1
3n2.32n2
32 n 2 en 33n 3
33n3
33n4
33n3
33n43n3 33 n 4 3 n 3
37 antwoord (3)
2.1.2 x2
1 x
(1 3 ) 2
substitusie
11 3
1 2 3 3
vereenvoudiging
2 3
42 3
2 3
2(2 3 ) 2
faktorisering
2 3
=2 antwoord (4)
5
2.1.3 ( a 2 b 2 ) ( a b) 2
1
( a b) 2
5
(a b)(a b) (a b) 2
1
faktorisering
( a b) 2
1 1 5
( a b) 2 ( a b) 2 ( a b) 2
1 vereenvoudiging
( a b) 2
1 5
( a b) 2 ( a b) 2
vereenvoudiging
(a b)3
a3 3a 2b 3ab2 b3 antwoord (4)
5
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAA
2.2 2 8
RTP: – = 2
1 2 8
2 8
–
1 2 8
2 8
– 2 2
1 2 2 2
2(2 2 ) 8(1 2 )
2 2(1 2)
2 2 (1 2 )
4 2 88 2
2 2 2 4
4 2 88 2
2 2 4
4 2 8
vereenvoudiging
2 2 4
4 2 2
faktorisering
2 2 2
2 (4)
2.3
MK LM 2 MK= 2
JM 2 (2 3) 2 22 pythag substitusie
JM 2 4 4 3 3 4 vereenvoudiging
JM 2 4 3 3
JM 4 3 3 JM
1
A (4) 4 3 3 vervang in oppervlak formule
2
A 6,3 eenh 2 antwoord (6)
[21]
6
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAA
VRAAG 3
3.1 T2 T1 T3 T2
4 x 5 x 10 x 5 ( 4 x 5) metode
3x 5 10 x 5 4 x 5
3x 5 6 x 10
3x 15
x 5 antwoord (2)
3.2 3.2.1 3n 20 106 gelykstel
3n 126
n 42 antwoord (2)
3.2.2 3n 20 0 Tn 0
20 3n
20
n
3
n 7 antwoord (2)
3.2.3 Onewe terme:
17; 11; 5; ……….. ry
Algemene term: Tn 6n 23 Tn
Tn 6( 20) 23
Tn 97 antwoord (3)
3.3 3; a; 10; b; 21
1ste verskille
a 3; 10 a; b 10; 21 b 1 verskil
ste
2de verskil:
vergelyk 2de verskil in
10 a a 3 1 terme van a, dan b.
2a 13 1
2a 12
a 6 waarde van a
en
21 b b 10 1
2b 31 1
2b 30
b 15 waarde van b (4)
[13]
7
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAA
VRAAG 4
y
D(6 ; 7)
C(–1 ; 0) B
x
O
A(2 ; y)
4.1 B(5; 0) antwoord
NOTA: Moet in koördinaatvorm wees. (2)
4.2 y a ( x x1 )( x x2 )
7 a (6 (1))(6 5) vervang wortels en punt
7 7a D(6;7)
a 1 waarde van a
y 1( x 1)( x 5)
y x 2 5x x 5 y x 2 5x x 5
y x2 4x 5 (3)
4.3 B(5 ; 0) C(0 ; 5)
50
mBC
05
5
mBC mBC
5
mBC 1
mh 1 mh
y y1 m( x x1 )
y (1) 1( x 0) pt (1;0)
y x 1 antwoord (3)
8
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAA
4.4 1 x 0 alle kritieke waardes
(onafhanklik)
x5 antwoorde
OF
x [–1 ; 0] of [5 ; ] alle kritieke waardes
NOTA: Trek 1 punt af indien hakies foutief is in (onafhanklik)
alternatiewe oplossing. antwoorde (2)
[10]
VRAAG 5
5.1
asimptote
2
afsnitte
vorm
NOTA: Indien die kandidaat die afsnitte bereken en die
asimptote lys maar nie die grafiek skets nie,
ken 2 punte toe. (3)
5.2 tan 135 = –1 m 1
y – y1 = m(x – x1)
y – (–1) = –1(x – (–2)) vervang punt (2;–1)
y + 1 = –x – 2
y = –x – 3 antwoord (3)
5.3 x 2 antwoord (1)
5.4 5.4.1 5 eenhede regs antwoord
NOTA: Aanvaar ʼn antwoord van 5 eenhede. (1)
5.4.2 3 eenhede op antwoord
NOTA: Aanvaar ʼn antwoord van 3 eenhede. (1)
[9]
9
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAA
VRAAG 6
6.1 6.1.1 y 6 antwoord (1)
6.1.2 h( x) 3.2 x 6
0 3.2 x 6 stel gelyk aan 0
6 3.2x
2 2x
x 1 antwoord (2)
6.1.3 h( x) 3.2 x 6
y = 3.2 – 6
y = –3 antwoord (1)
6.1.4 x >1 antwoord (1)
6.2 y
x-afsnit
x
O asimptoot
–1 vorm
(3)
[8]
TOTAAL: 100
10
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