Province of the
EASTERN CAPE
EDUCATION
SENIOR FASE
GRAAD 9
JUNIE 2010
WISKUNDE
MEMORANDUM
PUNTE: 100
TYD: 2 uur
Hierdie memorandum bestaan uit 05 bladsye.
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Mathematics Grade 9 June Common 2010 Memo (Afrikaans)
Grade 9 Mathematics memorandum from the June Common 2010 (Afrikaans), 6 pages. Read online or get the free PDF download, question paper linked when available.
Mathematics · Grade 9 · June Common · 2010. Memorandum, 6 pages. Read online or download the PDF.
- Subject
- Mathematics
- Grade
- Grade 9
- Document type
- Memorandum
- Year
- 2010
- Exam period
- June Common
- Curriculum
- CAPS
- Pages
- 6
- File size
- 415.6 KB
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This exam
June Common 2010
- Other filesMemo · EngMemo · Afr
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2 WISKUNDE (JUNIE 2010)
AFDELING A
1. D√
(JUNIE 2010) WISKUNDE 3
2. C√
3. B√
4. C √√
5. A √√
6. A√
7. C√
8. B√
9. A √√
10 A√
11. D√
12. A √√
13. C√
14. D √√
15. B√
16. C√
17. C√
18. D √√
19 D √√ [26]
AFDELING B
VRAAG Nr OPLOSSING PUNTE
1.1.1 2
1 1 punt spesifiek
3
= 3k m √√ -4 vir negatiewe
indeks
1.1.2 4
2 2
=-[(a -4a+4) +(a +a-6)] +8√
= -[2 a2 – 3a – 2]+8√
=-2 a2+3a+2+8√
==-2a2 + 3a + 10√
1.2 4(a + b) – x2(a+ b) 3
= (a+b)(4 – x2) √
=(a+b) (2 – x)(2+ x) √√
1.3 1112-992 2
= (111 – 99)(111 + 99) √
=12 x 210
= 2 520 √
3
1.4.1 3x + 15 – 6 = -2x – 2√
5x = -11√
x = -11/5√
1.4.2 3x + 1 = 27 3
3x + 1 = 33√
x + 1 = 3√
x=2 √
2 2.1.1 Patroon 5 =32 aangesien die gemene verskil 7 is√ 1
4 WISKUNDE (JUNIE 2010)
2.1.2 7x1–3 =7-3=4 of enige logiese metode 3
7x2–3 = 14–3 =11 1 punt vir
7x3–3 = 21–3 =18√ eksplorasie
1 punt vir 7n en
7xn -3= 7n-3√√ 1 punt vir -3
2.1.3 7x200 -3 =1397 1
2.2.1 √ 1
2.2.2 √√ omdat ewewydige lyne dieselfde gradiënt het 2
Gee volle punte
al is daar geen
rede nie
2.2.3 By die x-afsnit is y=0.. 3
√
√
√
2.2.4 √√ 2
3 3.1.1 Som van die hoeke van ʼn Seshoek =4x 180º 1
= 720º
3.1.2 Aantal driehoeke in enige veelhoek = n-2√ 2
Dit wil sê die som van die binne hoeke van die veelhoek
=n–2 x 180º√
3.1.3 1080= 180º x 6√ 2
=180º x (8–2)
So dit is ʼn oktagoon is √
3.2.1 2
1ste Kwadrant
Beeld
(JUNIE 2010) WISKUNDE 5
3. 3.2.2 Sien 3.1.1 4de kwadrant √ 3
A (2;-1), B (3;0), C (2;0), D (1;-1) √√ 1 punt vir
korrekte beeld
2 punte vir
korrekte
koördinate
4 4.1 S = d/ t 4
20 km/h = 1√
t
t = 0,05 h√
= 3 min√
Agterkant van die trein sal om 1:06 nm of 13:06 uit tonnel
vaar√
4.2 8 - 5 =135ℓ√ 4
11 8
64-55 =135ℓ
88
9 = 135ℓ√
88
So volle kapasiteit =135ℓ x88√
9
=1320ℓ√
4.3 Volume van die silinder = πr2h√ 4
=22x 64cm2x17cm√√ 1 punt vir
7 korrekte hoogte
= 3 419,43 cm3√
5 5.1.1 72º =1/5 √ 1
360º
5.1.2 Aantal leerders vir Engels = 126º x 120 = 42 leerders √√ 2
360º
5.1.3 180º -72º =108º ( hoeke op reguitlyn) √ 3
Aantal leerders vir Wiskunde =108º x120
360º
= 36√
Persentasie vir Wiskunde =36 x100 = 30%√
120
5.2.1 Rangskik data van klein tot groot : 2
15; 18; 20; 20; 23; 23; 25√
Mediaan is 20√
5.2.3 Omvang is 25-15=10√ 1
5.2.4 Gemiddelde = 15+18+20+20+23+23+25√ 2
7
= 20,57√
5.2.5 2
1 5 8√
2 0 0 3 3 5√
6 WISKUNDE (JUNIE 2010)
5.3.1 4
1 punt vir
korrekte skaal
1 punt byskrifte
vir beide asse
2 punte vir
korrekte skets
5.3.2 Dit toon ʼn swak korrelasie tussen die punte vir Wiskunde en 2
Taal aangesien die punte versprei is √√ 1punt vir
korrekte
gevolgtrekking
1 punt vir rede
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