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PROVINSIALE EKSAMEN
NOVEMBER 2023
GRAAD 11
NASIENRIGLYNE
WISKUNDE (VRAESTEL 2)
14 bladsye
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Mathematics Grade 11 P2 Gauteng November 2023 Memo (Afr)
Grade 11 Mathematics Paper 2 memorandum from the Gauteng November Exam 2023 (Afrikaans), 14 pages. Read online or download the free PDF.
Mathematics · Grade 11 · Gauteng November Exam · 2023. Memorandum, 14 pages. Read online or download the PDF.
- Subject
- Mathematics
- Grade
- Grade 11
- Document type
- Memorandum
- Year
- 2023
- Exam period
- Gauteng November Exam
- Paper
- 2
- Curriculum
- CAPS
- Pages
- 14
- File size
- 1.3 MB
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This exam
Gauteng November Exam 2023
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 2) GRAAD 11
INSTRUKSIES EN INLIGTING
➢ A – AKKURAATHEID
➢ CA – KONTINUE AKKURAATHEID
➢ S – BEWERING
➢ R – REDE
➢ S & R – BEWERING met REDE
NOTAS:
• Indien ʼn kandidaat ʼn vraag TWEE keer beantwoord het, merk slegs die EERSTE
poging.
• Indien ʼn kandidaat ʼn antwoord doodgetrek het, en dit nie weer gedoen het nie, merk
die doodgetrekte antwoord.
• Deurlopende akkuraatheid moet op ALLE aspekte van die nasienriglyne toegepas
word.
• Dit is ONAANVAARBAAR om waardes/antwoorde aan te neem om probleme op te
los.
2
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 2) GRAAD 11
VRAAG 1
1.1 Klas interval Frekwensie Kumulatiewe frekwensie ✓ Frekwensie waardes
300 < x 400 4 4 ✓ Kumulatiewe
400 < x 500 11 15 frekwensie waardes
500 < x 600 22 37
600 < x 700 13 50
700 < x 800 7 57
800 < x 900 3 60 (2)
1.2 70 ✓ (300 ; 0)
✓ Eindpunte
60
✓ Vorm
50
Kumulatiewe Frekwensie
40
30
20
10
0
0 100 200 300 400 500 600 700 800 900 1000
Daaglikse Verkope
(3)
1.3 Q2 = R580 Antwoord
Aanvaar
R560 tot R600 (2)
1.4 Op 10 dae maak hul ʼn verlies. Antwoord
50 dae maak hul ʼn wins. (2)
1.5 Om in die top 25% van die vorige maande te wees, moet ✓ R650
die snoepwinkel se verkope meer as R650 wees. Daarom
✓ Gevolgtrekking
sal R725 in die top 25% wees. (2)
[11]
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 2) GRAAD 11
VRAAG 2
2.1 2k + k + 1 + k + 2 + k − 3 + 2k − 2 ✓ 7k – 2
= 15
5 ✓ Deel deur 5
7k − 2
= 15 ✓ Manipulasie
5
7k – 2 = 75
7k = 77
k = 11 (3)
2.2 22 ; 12 ; 13 ; 8 ; 20 Antwoord
= 5,22 (2)
2.3 Gemiddeld neem af met t eenhede maar die ✓ Gemiddeld neem af
standaardafwyking word nie geaffekteer nie. met t eenhede
✓ Standaardafwyking nie
geaffekteer nie (2)
[7]
VRAAG 3
3.1 0 − ( −2) ✓ Substitusie in die
mMQ =
− 2 − ( −4) korrekte formule
1
mMQ = − ✓ Antwoord
3 (2)
3.2 1 ✓ Loodregte lyne, produk
mMQ − = −1 MP ⊥ MQ van gradiënte
3
mMP = 3 ✓ Gradiënt van MP
y = 3x + 6 ✓ Antwoord (3)
3.3 xR + 4 y R + ( −2) ✓ Substitusie in die
–2 = 0= middelpunt formule
2 2
✓ xR
x R = −8 yR = 2 ✓ yR
R (–8 ; 2) (3)
4
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 2) GRAAD 11
3.4 PQ = (0 − 4) 2 + (6 − ( −2)) 2 ✓ Substitusie in die
afstandsformule
PQ = 80
PQ = 4 5 ✓ Vereenvoudigde
wortelvorm (2)
3.5 E(–4 ; –6) ✓ x E = −4
✓ y E = −6 (2)
3.5 Die hoeklyne van die parallelogram is loodreg op mekaar. ✓ Hoeklyne loodreg
✓ Gegee parallelogram (2)
[14]
VRAAG 4
4.1 subst. x = 0 ✓ x=0
py – x – 5p = 0 ✓ Manipulasie
py – (0) = 5p ✓ x=5
5p
y=
p
y=5
C(0 ; 5) (3)
4.2 py – x – 5p = 0 ✓ Standaardvorm
py = x + 5p ✓ Stel gradiënte gelyk
x
y= +5
p
1
mAC =
2
1 1
=
p 2
p=2
OF
1
A(–10 ; 0) mAC = ✓ A (–10 ; 0)
2
✓ Vervang A
p(0) – (–10) – 5p = 0
10 = 5p
p=2 (2)
5
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 2) GRAAD 11
4.3 Vergelyking van AC: 2y – x – 10 = 0 ✓ Vervang p = 2
1
y= x+5
2
✓ Vergelyking van BD
Vergelyking van BD: y = – 2x – 10
1 ✓ Vervang y in die ander
x + 5 = – 2x – 10
2 vergelyking
x + 10 = – 4x – 20
5x = – 30
x = –6 ✓ x = –6
y=2 ✓ y=2
B(–6 ; 2) (5)
4.4 1 ✓ Vervang in die korrekte
tan =
2 formule
= 26,57 ✓ Antwoord (2)
4.5 AĈD = 63,43 binne e van ✓ AĈD
= 26,56 binne e van ✓
= ✓ Rede
ABOD is ʼn koordevierhoek
(omgekeerde e in dieselfde sirkelsegment) (3)
4.6 DB is ʼn middellyn (lyn onderspan 90) ✓ x=0
0 + 0 5 + ( −10) 5
M CD = ; ✓ y=–
2 2 2
5
= M CD 0 ; −
2 (2)
[17]
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 2) GRAAD 11
VRAAG 5
5.1 5.1.1 2 ✓ Kwadrant II
sin =
3 y
✓ x=– 5
2 2 2
x + (2) = 3
✓ Vervang cos
x=– 5
3cos2 – 1 x ✓ Antwoord
2
5
=3 –1
3
5
= –1
3
2
=
3 (4)
5.1.2 tan (– –180) ✓ –tan
= –tan ✓ Substitusie
2 ✓ Antwoord
= –
− 5
2
=
5 (3)
5.2 5.2.1 t cos 15 = 4 t
✓ cos 15 =
4 4
cos 15 =
t
t
✓ t 2 − 16
sin 15 ✓ t
t − 16
2 15°
= 4
t (3)
5.2.2 sin 75 ✓ Komplement
= cos 15 ✓ Antwoord
4
=
t (2)
7
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 2) GRAAD 11
5.2.3 1 – tan2 15 t 2 − 16
2
t 2 − 16
2 ✓
4
=1–
4
t 2 − 16
t 2 − 16 ✓
=1– 16
16
✓ Korrekte
16 − t 2 + 16
= vermenigvuldiging
16
32 − t 2 met KGN
=
16 (3)
5.3
cos(90 − α ) sin( − − 540 ) ✓ tan 45
✓ sin .– sin
tan 225 + sin . sin(180 + )
✓ sin .sin
sin α.sin α ✓ 1 – sin2
=
tan 45 + (sin .)( − sin α ) 1
✓
sin2 α tan 2 α
=
1 − sin2 α
sin 2 α
=
cos 2 α
= tan2 (5)
5.4 5.4.1 1 – cos = 2 sin2 ✓ 2 (1 – cos2)
1 – cos = 2 (1 – cos2)
1 – cos = 2 – 2 cos2 ✓ standaardvorm
2 cos2 – cos – 1 = 0
(2 cos + 1)(cos – 1) = 0 (2)
5.4.2 2cos + 1 = 0 of cos – 1 = 0 1
✓ cos = –
1 2
cos = – of cos = 1
2 ✓ cos = 1
RA = 60 of = 0 + K.360 ; K Z ✓ Beide oplossings vir
QII : = 120 + K.360 ; K Z 1
cos = –
QIII : = 240 + K.360 ; K Z
2
✓ = 0 + K.360
✓ KZ (5)
[27]
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 2) GRAAD 11
VRAAG 6
6.1 180 ✓ Antwoord (1)
6.2 1 1 ✓ Eindpunte
– y
2 2 ✓ Notasie (2)
6.3.1 45 x 90 ✓ x 45
✓ x < 90 (2)
6.3.2 –90< x < – 45 of 90< x < 135 ✓ –90< x < – 45
✓ 90< x < 135 (2)
6.3.3 2 tan x + cos 2x = 2 ✓ 2 tan x – 2 = –cos 2x
2 tan x – 2 = –cos 2x 1
✓ tan x – 1 = – cos 2x
1 2
tan x – 1 = – cos 2x
2 ✓ Waarde van x
f (x) = g(x)
waar x = 45 (3)
6.4 sin x + cos x ✓ tan x + 1
h(x) =
cos x ✓ Op met 2 eenhede
sin x
h(x) = +1
cos x
h(x) = tan x + 1
h(x) = f (x) + 2
Vertikale translasie op et 2 eenhede (2)
1 ✓ –2 cos 2x
6.5 p(x) = 4 − cos 2 x
2 ✓ Maks van 2
p(x) = – 2 cos 2x
Maksimum waarde van 2 (2)
[14]
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 2) GRAAD 11
VRAAG 7
1 1
7.1 tan p = ✓ tan p =
3 3
p = 18,435 ✓ Waarde van p tot 3
desimale plekke (2)
7.2 In BCD ✓ Korrekte substitusie in
CD 121 die sinreël
= ✓ Manipulasie
18,4 sin135
sin ✓ Lengte van CD
2
121 x sin 9,2
CD =
sin135
CD = 27,36 m (3)
[5]
VRAAG 8
8.1 V = x2 h ✓ Substitusie in die
490 = x2h volume formule
490 ✓ h in terme van x
h= 2
x (2)
8.2 A = x2 + 4xh ✓ Basis van x2
490 490
A = x2 + 4x 2 ✓ 4x 2
x x
1960 3
A = x2 + cm
x (2)
8.3 490 ✓ Vervang h = 10
10 =
x2 ✓ x2 = 49
x2 = 49 ✓ x=7
x=7 (x > 0) ✓ Buite opp
1 960
A = (7)2 +
7
2
A = 329 cm (4)
[8]
10
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 2) GRAAD 11
VRAAG 9
9.1
Q
1
2 O
1
2
P
R
Verbind PO en verleng ✓ Konstruksie
In ΔPOQ
✓ SR
Ô1 = Q̂ + P̂1 buite van
✓ SR
maar Q̂ = P̂1 e teenoor gelyke radiusse
✓ S
Ô1 = 2P̂1
Netso in ROQ
Ô 2 = 2P̂2 ✓ S
Ô1 + Ô 2 = 2P̂1 + 2P̂2 ✓ S
(
Ô1 + Ô 2 = 2 P̂1 + P̂2 )
RÔQ = 2P̂ (6)
9.2 9.2.1
(a) D̂ = 55° e in dieselfde segment ✓ S R (2)
(b) Ô 2 = 110° middelpunt = 2 omtreks ✓ S R (2)
(c) Ê 2 = 110° – 90 buite van ✓ R
✓ S
Ê 2 = 20° (2)
11
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 2) GRAAD 11
(d) Ê1 = 35° buite e van ✓ R
✓ S ✓R
Ê 3 = 35° e in ʼn halwe sirkel
OF
Ê 3 = F̂1 e teenoor gelyke radiusse ✓ S R
✓ SR
Ê 3 = 35° binne e van (3)
9.2.2 OE = 5 gelyke radiusse ✓ SR
HE = 4,7 loodlyn van middelpunt van ✓ S ✓R
koord
OH2 = 52 – (4,7)2 Pythagoras ✓ S
OH = 1,71 eenhede
OF
OE = 5 radiusse ✓ SR
OH ✓✓ sin 20°
sin 20 =
5 ✓ OH
OH = 1,71 eenhede
OF
HE = 4,7 loodlyn van middelpunt na ✓ S R
koord ✓ tan 20°
OH ✓ OH
sin 20 =
4,7
OH = 1,71 eenhede (4)
[19]
VRAAG 10
10.1 B̂1 = x verw. e, AC ‖‖ TV ✓ S ✓R
V̂1 = x e teenoor gelyke sye ✓ S ✓R
T̂2 = x rklyn koord stelling ✓ S ✓R (6)
10.2 Â = 2 x teenoorst e van parm ✓ S ✓R
B̂3 = 2 x buite van kvh ✓ S ✓R
 = B3 albei gelyk aan 2x ✓ R
AT = BT sye teenoor gelyke e
12
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 2) GRAAD 11
OF
B̂3 = 2 x buite van kvh ✓ S ✓R
✓ SR
T̂1 = 2 x verw. e, AC ‖‖ TV
T̂1 = V̂1 + V̂2 albei gelyk aan 2x
✓ S ✓R
BTVC is ʼn gelykbenige trapezium
(een paar ewewydige sye en een paar basis hoeke ✓ Logika
gelyk)
CV = BT sye van gelykbenige trap
en CV = AT teenoorst. sye parm
AT = BT (5)
10.3 In ATB, ✓ R
5x = 180° binne e van ✓ S
x = 36° (2)
[13]
VRAAG 11
11.1 D̂3 = Ĥ1 + Ê1 buite van ✓ S
(1)
11.2 D̂3 = Ĥ1 + Ê1 buite van
Ĥ1 = F̂2 rklyn koord stelling ✓ S ✓R
✓ SR
en Ê1 = F̂1 rklyn koord stelling
D̂ 3 = F̂1 + F̂2
DEFH is ʼn kvh (buite = teenoorst binne ) (
✓ R (met D̂3 = F̂1 + F̂2 ) (4)
11.3 Ĥ1 = F̂2 rklyn koord stelling ✓ SR
✓ S ✓R
Ĥ1 = F̂1 e in dieselfde sirkelsegment
F̂1 = F̂2 (3)
13
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WISKUNDE
NASIENRIGLYNE
(VRAESTEL 2) GRAAD 11
11.4 Ĥ 3 + Ĥ 4 = Ê1 + Ê 2 buite van kvh ✓ S ✓R
Ĥ 4 = K̂ 1 rklyn koord stelling ✓ SR
Ĥ 3 = K̂ 2 e in dieselfde sirkelsegment ✓ S ✓R
K̂1 + K̂ 2 = Ê1 + Ê 2
K̂1 = Ê1 gegee ✓ S
K̂ 2 = Ê 2
KF is ʼn rklyn omgekeerde rklyn koord ✓ R (as K̂ 2 = Ê 2 bewys
stelling is) (7)
[15]
TOTAAL: 150
14
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