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GAUTENGSE DEPARTMENT VAN ONDERWYS
PROVINSIALE EKSAMEN
JUNIE 2018
GRAAD 11
WISKUNDE
VRAESTEL 2
MEMORANDUM
9 bladsye
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Mathematics Grade 11 P2 Gauteng June 2018 Memo (Afrikaans)
Grade 11 Mathematics Paper 2 memorandum from the Gauteng June 2018 (Afrikaans), 9 pages. Read online or download the free PDF.
Mathematics · Grade 11 · Gauteng June · 2018 · Afrikaans. Memorandum, 9 pages. Read online or download the PDF.
- Subject
- Mathematics
- Grade
- Grade 11
- Language
- Afrikaans
- Document type
- Memorandum
- Year
- 2018
- Exam period
- Gauteng June
- Paper
- 2
- Curriculum
- CAPS
- Pages
- 9
- File size
- 1.0 MB
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MEMORANDUM WISKUNDE Vraestel 2
Graad 11
GAUTENGSE DEPARTEMENT VAN ONDERWY
PROVINSIALE EKSAMEN
WISKUNDE Vraestel 2
MEMORANDUM
INSTRUKSIES EN INLIGTING:
A – Akkuraatheid
C.A. – Deurlopernde Akkuraatheid
S – Stelling
R – Rede
SR – Stelling en Rede
NOTA:
Indien ʼn kandidaat ʼn vraag TWEE MAAL beantwoord het, merk slegs die eerste poging.
Indien ʼn kandidaat ʼn antwoord DOODGETREK het, maar dit nie oorgedoen het nie, merk die
doodgetrekte antwoord.
Volgehoue akkuraatheid word in ALLE aspekte van die memorandum toegepas.
Om antwoorde / waardes om ʼn probleem op te los, te veronderstel, word NIE toegelaat NIE.
2
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MEMORANDUM WISKUNDE Vraestel 2
Graad 11
VRAAG 1 [25]
1.1
vervang in korrekte formule
=
=-4 antwoord
(2)
1.2
vervang in korrekte formule
F(
F( 3; -2) antwoord
(2)
1.3
=
=
korrek vervang in reguitlyn verg.
antwoord
(3)
1.4
Verw. = 75,9 Verw. = 75,9
= =
̂ ........buite van ∆
= antwoord
(5)
3
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MEMORANDUM WISKUNDE Vraestel 2
Graad 11
1.5
antwoord
(4)
1.6
T(1 ; – 7) x=1
y = – 7
(2)
1.7
Midpt. van BT ( korrekte vervanging
(3 ; -2)
Ook die midpt. van AC gevolgtrekking
(2)
1.8 korrekte vervanging
AB √ AB = √
= √
BC √ BC = √
= √
omtrek van ABCT = 29,14
Omtrek van ABCT = 2( √ √
= 29,14
Omtrek van LMNO = 2 29,14 antwoord
= 58,28 (5)
4
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MEMORANDUM WISKUNDE Vraestel 2
Graad 11
VRAAG 2 [26]
2.1.1
k= √ ..... Teorie van Pyth. enige relevante weergawe van
k=–4 Pythagoras
antwoord
(2)
2.1.2 antwoord
(1)
2.1.3
=
= antwoord
(2)
2.1.4 Verw. = 36,87
Verw. = 36,87 143,13
(2)
2.2
√ ...Teorie van Pyth. √
B( √ ; 3) B( √ ; 3)
korrekte vervanging.
antwoord
(4)
√ √
= ( ) ( )
=0
5
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MEMORANDUM WISKUNDE Vraestel 2
Graad 11
2.3
√
√
–
antwoord
(5)
2.4 LK =
=
=
=
=
= tan x = RK
(4)
2.5
Z Z
{ }
alle waardes korrek
OF
3 of 4 waardes korrek
(6)
6
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MEMORANDUM WISKUNDE Vraestel 2
Graad 11
VRAAG 3 [14]
3.1
vorm van f
𝑦 korrekte draaipunte van f
korr. x en y afsnitte van f
vorm van g
korrekte draaipunte van g
𝑥
korr. x en y afsnitte van g
180
(6)
3.2.1 –1
[ ] 1
(2)
3.2.2 360 antwoord
(1)
3.2.3 3 antwoord
(1)
3.3 45
korr.hakies / ongelykhede
(2)
3.4
+1
(2)
7
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MEMORANDUM WISKUNDE Vraestel 2
Graad 11
VRAAG 4 [12]
4.1.1 Loodreg antwoord (1)
4.1.2 Twee maal antwoord (1)
4.2.1 B ̂ A = 90° (∠ in ʼn semi-sirkel) S
R (2)
(a) AC = √ (Pythagoras Teorie) middellyn =10
AC = √
AC = 6 AC = 6
AM = 3 AM = 3
(lyn vananf middel van sirkel tot koord
die koord halveer OF middelpunt stelling) Stelling (lyn vananf middel
van sirkel tot koord
die koord halveer OF
middelpunt stelling)
(4)
(b) OM = √ (Phyth. OF Midpt.St.)
OM = 4 OM = 4
Oppvl AOM : Oppvl ABC
vervang oppvl van AOM
. 4. 3 : . 8. 6 en ABC
6 : 24 oppvl AOM = 6 en oppvl
1:4 ABC = 24
beide korrekte
vereenvoudigde antwe.
(4)
8
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MEMORANDUM WISKUNDE Vraestel 2
Graad 11
VRAAG 5 [4]
5.1 ̂ ̂ ̂ (hoeke in selfde segment) R
Maar ̂ ̂ R
̂ ̂ ̂ hoeke teenoor = sye)
(2)
5.2 ̂ ̂ ̂ (hoeke in selfde segment) R
̂ ̂ ̂ ̂ ̂ ̂ ̂ ̂
gelykbenig (2)
VRAAG 6 [19]
6.1 A ̂ C = 104° (Ko-binne ∠’e OC || AB ) A ̂ C = 104°
Refleks AÔC = 2B
= 208° (middpts∠ =2x ∠ op omtrek)
refleks AÔC = 208°
Stomp ∠ A ̂ C = 152°
x = 28° (ko-binne ∠’e OC || AB)
stomp L AÔC = 152°
x = 28
rede
(5)
6.2.1. ̂1=x (∠’ e teenoor = sye/ radii) S( ̂ 1 = x)
R (∠’ e teenoor =sye)
̂ 1 = 180° - 2x (som van∠e in QRO) S( ̂ 1 = 180° - 2x )
R(som van∠ s in QRO)
̂ 1 = 90° - x (mdpts ∠ = 2 x ∠ op omtrek.) ̂ 1 = 90° - x
S
R(mdpts ∠ = 2 x ∠ op
omtrek.)
(7)
6.2.2. PQ = QR (gegee)
Q ̂ P = 90° - x (∠ teenoor = sye in ) S (PQ = QR)
P ̂ R = 2x (∠ som in PQR ) S (Q ̂ P = 90° - x )
x + ̂ 2 = 2x R (∠ teenoor = sye in )
̂2 = x S (P ̂ R = 2x )
TQ halveer PQR (∠ som van PQR)
x + ̂ 2 = 2x
̂2 = x
(7)
TOTAAL : 100
9
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