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PROVINSIALE EKSAMEN
JUNIE 2024
GRAAD 11
NASIENRIGLYNE
WISKUNDE (VRAESTEL 1)
11 bladsye
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Mathematics Grade 11 P1 Gauteng June 2024 Memo (Afrikaans)
Grade 11 Mathematics Paper 1 memorandum from the Gauteng June Exam 2024 (Afrikaans), 11 pages. Read online or download the free PDF.
Mathematics · Grade 11 · Gauteng June Exam · 2024 · Afrikaans. Memorandum, 11 pages. Read online or download the PDF.
- Subject
- Mathematics
- Grade
- Grade 11
- Language
- Afrikaans
- Document type
- Memorandum
- Year
- 2024
- Exam period
- Gauteng June Exam
- Paper
- 1
- Curriculum
- CAPS
- Pages
- 11
- File size
- 465.5 KB
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This exam
Gauteng June Exam 2024
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAAD 11
INSTRUKSIES EN INLIGTING
A – AKKURAATHEID
CA. – KONTINUE AKKURAATHEID
LET WEL:
• Indien 'n kandidaat 'n vraag TWEE keer beantwoord, sien slegs die eerste poging na.
• Indien 'n kandidaat 'n vraag DOODTREK en dit nie oordoen nie, sien die doodgetrekte antwoord na.
• Deurlopende akkuraatheid is van toepassing op ALLE aspekte van die nasienriglyn.
• Dit is ONAANVAARBAAR om waardes/antwoorde aan te neem om 'n probleem op te los.
2
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAAD 11
VRAAG 1
1.1 1.1.1 x9 ✓ antwoord
(1)
1.1.2 x=9 ✓ antwoord
(1)
1.1.3 (1) 2 + 4
9 −1
5 ✓ antwoord
8
Irrasionaal (1)
1.1.4 x=0 ✓ antwoord
(1)
1.2 1.2.1 2 x 2 − 3x − k = 0
2 x 2 − 3x − 5 = 0
(2 x − 5)( x + 1) = 0
✓ faktore
5
x = of x = −1 ✓ antwoorde
2
(2)
1.2.2 2 x 2 − 3x − 4 = 0
−(−3) (−3) 2 − 4(2)(−4) ✓ substitusie
x=
2(2)
x = 2,35 of x = −0,85
✓✓ antwoorde
LET WEL: Penaliseer 1 punt vir verkeerde
afronding, SLEGS in die vraag. (3)
1.3 1.3.1 x−4= − x−2
16 − 8 x − x 2 = x − 2 ✓ kwadreer beide kante
x 2 − 9 x + 18 = 0 ✓ standaardvorm
( x − 6)( x − 3) = 0
✓ faktore
x = 3 of x 6
✓ kritieke waardes
✓ verwerping (5)
3
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAAD 11
1.3.2 x 2 + 4 3x + 2
x 2 − 3x + 2 0 ✓ standaardvorm
( x − 2)( x − 1) 0 ✓ faktore
x 1 of x 2
OF
✓✓ antwoorde
x (−;1) (2; )
(4)
1.4 y + 2 = 2x
y = 2x − 2 (1)
✓ y as onderwerp
2x2 = 2 − y 2 (2)
2 x 2 = 2 − (2 x − 2) 2
✓ substitusie
2 x 2 = 2 − (4 x 2 − 8 x + 4)
2 x2 = 2 − 4 x2 + 8x − 4
6x2 − 8x + 2 = 0
3x 2 − 4 x + 1 = 0 ✓ standaardvorm
(3 x − 1)( x − 1) = 0
1 ✓ faktore
x = of x = 1
3 ✓ albei x- waardes
4
y =− of y = 0
3 ✓ albei y- waardes
OF
y + 2 = 2x OF
y+2
x = (1)
2 ✓ x as onderwerp
2x2 = 2 − y 2 (2)
✓ substitusie
y+2 2
2( ) = 2 − y2
2
y2 + 4 y + 4
2( ) = 2 − y2
4
y + 4y + 4
2
( ) = 2 − y2
2
y + 4 y + 4 = 4 − 2 y2
2
✓ standaardvorm
3y + 4 y = 0
2
✓ faktore
y (3 y + 4) = 0
4 ✓ albei y-waardes
y =0 of y=−
3
1
x =1 of x= ✓ albei x-waardes (6)
3
1.5 1.5.1 Vir ongelyke wortels: 0 ✓ voorwaarde van
4
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAAD 11
2 x 2 − 4 x + (3 − p) = 0
= b 2 − 4ac
= (−4) 2 − 4(2)(3 − p) ✓ substitusie in
= 16 − 24 + 8 p (4)
= −8 + 8 p ✓ uitdrukking vir
−8 + 8 p 0
8p 8
p 1
✓ antwoord
1.5.2 Uit 1.5.1
3− p 0 (a 0 en b 0) ✓ c0
− p −3
✓ antwoord
1 p 3
LET WEL: Enige ander geldige metode (2)
1.6 ( p 2 + 1) x 2 = −2 pqx − q 2
✓ standaardvorm
( p 2 + 1) x 2 + 2 pqx + q 2 = 0
= (2 pq) 2 − 4( p 2 + 1)q 2 ✓ substitusie in
= 4 p q − 4 p q − 4q
2 2 2 2 2
✓ vereenvoudiging
= −4q 2 ✓ uitdrukking vir
q 2 0, q ; q 0
−4q 2 0 ✓ verduideliking
Wortels is nie-reël (5)
[35]
5
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAAD 11
VRAAG 2
2.1 2.1.1 (2 −1 + 3−1 ) 2
1 1 ✓ verander eksponente
= ( + )2
2 3
3+ 2
=( )
6
5 ✓ vereenvoudiging
= ( )2
6
25
= ✓ antwoord
36 (3)
2.1.2 2 .4 x + 2 − 4 x − 3
2 x .2 x
2 .4 x .4 2 − 4 x .4 − 3
=
4x
1
4 x (32 − )
64 ✓✓ faktore
= x
4
1
= 32 −
64
2 048 − 1
=
64
2 047
= ✓ antwoord
64
63
LET WEL: Aanvaar 31 (3)
64
1
2.1.3 −
3 2 [ 12 + 3 (3 3)]
1 1
−
= 3 2 [2 3 + (3 3) 3 ] ✓ vereenvoudig hakies
1 1 1 1
−
= 3 [2.3 + 3 .3 ]
2 2 3 6 ✓ wortels met rasionale
1 1 1
− eksponente
= 3 [2.3 + 3 ]
2 2 2
1 1
−
= 3 .3 (2 + 1)
2 2
✓ faktore
= 30 (3)
=3
✓ antwoord (4)
6
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAAD 11
2.2.1 3
2 x = 16
4
3
x4 = 8
3 4 4
x 4 3 = 83 ✓ metode
x = (3 8 ) 4 ✓ x as onderwerp
x = 16 ✓ antwoord
(3)
NOTA: Enige ander geldige metode.
2.2.2 5 x +1 + 5 x = 150
5 x.51 + 5 x = 150
5 x (51 + 1) = 150 ✓ faktore
5 (6) = 150
x
5 x = 25 ✓ vereenvoudiging
5 = 5
x 2
✓ 25 met grondtal 5
x = 2
✓ antwoord (4)
LET WEL: Enige ander geldige metode.
2.3 9 − 54
6 2
(9 − 9.2.3 ) 2
= ✓
2
6 2 2 2
9 2 − 3 2 . 3. 2
=
6.2
9 2 − 3.2 3 ✓ vereenvoudiging
=
12
3(3 2 − 2 3 ) ✓ faktorisering
=
12
3 2 −2 3
=
4 (3)
[20]
7
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAAD 11
VRAAG 3
3.1 T4 = −17 ✓ antwoord (1)
3.2 Tn = −7n + 11 ✓ antwoord (1)
3.3 Tn = −7n + 11
−227 = −7n + 11 ✓ vervang Tn
− 238 = −7n
✓ antwoord
n = 34 (2)
3.4 2a = −7
7 ✓ waarde van a
a=−
2
✓ gevolgtrekking
maksimum
(2)
LET WEL: Enige ander geldige metode.
[6]
VRAAG 4
4.1 69 0 − 63 T4
− 69 − 63 − 57
6 6
volgende term (T4 ) is: − 120 ✓ antwoord (1)
4.2 Tn = an2 + bn + c
T2 = a(2) 2 + b(2) + c = 4a + 2b + c
T1 = a(1) 2 + b(1) + c = a + b + c
T2 − T1 = 3a + b
2a = 6
✓ 2de verskil
a = 3
✓ waarde van a
3a + b = −69
3(3) + b = −69
9 + b = −69
b = −78 ✓ waarde van b
a + b + c = 69
3 + (−78) + c = 69 ✓ waarde van c
c = 144
Tn = 3n 2 − 78n + 144 (4)
8
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAAD 11
4.3 Kleinste term (minimum) is by die draaipunt van die
kwadratiese vergelyking:
− b − (−78) 78 ✓ vervang in sim.as
n = = = = 13
2a 2(3) 6 ✓ waarde van n
Tn = 3n − 78n + 144
2
T13 = 3n 2 − 78n + 144
T13 = 3(13) 2 − 78(13) + 144
✓ substitusie
T13 = −363
✓ antwoord (4)
[9]
VRAAG 5
5.1 Die punte A( − 4 ; 0) en B(0 ; 8) lê op g.
8−0 ✓ vervang in mAB
m AB =
0 − (−4)
✓ waarde van mAB
m AB = 2
y = mx + c
8 = 2(0) + c A(0;8) ✓ waarde van c
c = 8
g ( x) = 2 x + 8
LET WEL: Enige ander geldige metode. (3)
5.2 f ( x) = a( x − x1 )( x − x2 )
f ( x) = a( x + 4)( x − 2) ✓ vervang punte A en C
vervang (0;8)
8 = a (0 + 4)(0 − 2)
8 = a (−8) ✓ waarde van a
a = −1
f ( x) = −( x + 4)( x − 2)
f ( x) = −( x 2 + 2 x − 8)
f ( x) = − x 2 − 2 x + 8 ✓ standaardvorm (A)
a = −1 ✓ waarde van b
b = −2
✓ waarde van c
c =8 (5)
9
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAAD 11
5.3 f ( x) = − x 2 − 2 x + 8
− b − (−2) ✓ korrekte substitusie
x = =
2a 2(−1)
x = −1
f (−1) = −(−1) 2 − 2(−1) + 8 ✓ korrekte substitusie
f (−1) = 9
LET WEL: Enige ander geldige metode. (2)
5.4 y9 ✓ antwoord (1)
5.5 mg = 2
1 ✓
mp = − mp
2
y − y1 = m( x − x1 )
1 ✓ vervang punt C
y − 0 = − ( x − 2)
2
1
y = − x +1
2 ✓ antwoord (3)
5.6 f (−1) = 9 ✓ f (−1) = 9 en
g (−1) = 6 g (−1) = 6
f (−1) − g (−1)
PQ = 9 − 6
PQ = 3 ✓ antwoord
OF
OF
DP(−1;9) ✓ gebruik DP en g (−1)
g (−1) = 6
PQ = 9 − 6 ✓ antwoord
PQ = 3 (2)
5.7 x 2 ; x −4 ✓✓ antwoord (A) (2)
[18]
VRAAG 6
6.1 x = −3 ✓ antwoord
y =1 ✓ antwoord
(2)
10
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 1) GRAAD 11
6.2 −4
f ( x) = +1
x+3
−4
0= +1
x+3
−4
−1 =
x+3
− x − 3 = −4
− x = −1
x =1
✓ x-afsnit
−4
y= +1
0+3
−4
y= +1
3
1 ✓ y- afsnit
y =−
3 (2)
6.3 y = −4 ✓ antwoord (1)
6.4
✓ vorm van k
✓ k en h afsnitte
✓ asimptote k en h
✓ vorm van h
(4)
6.5 p ( x) = 3h( x)
p( x) = 3(2 − x − 4)
p( x) = 3.2 − x − 12
asimptoot: y = −12 ✓ antwoord
NOTA: Slegs antwoord, volpunte. (1)
6.6 q( x) = 2 x − 4 ✓ antwoord (1)
6.7 x=0 ✓ antwoord (1)
[12]
TOTAAL: 100
11
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