Page 61 - Hybrid PBD 2021 Form 2 - Matematik

Pentaksiran Sumatif
PT3

PRAKTIS PdPR Jawapan
Bab 3 PRAKTIS PdPR Bab 3

Bahagian A
Bahagian B

1. Nyatakan bilangan sebutan bagi
5xy + 6x − 3y − 7. 5. Ungkapkan m sebagai perkara rumus.
State the number of terms of 5xy + 6x − 3y − 7. Express m as the subject of the formula.
A 1 (i) 10 = 3m − 2n
B 2 [2 markah / 2 marks]
C 3 Jawapan / Answer :
D 4
10 + 2n
m =
3
1
2
2. Diberi V = pr h, maka r ialah n 2
3 (ii) =
1 3m 9
2
Given that V = pr h, then r is [2 markah / 2 marks]
3
A 3V − ph Jawapan / Answer :
3V
B  m = 3n
ph
2
C 1 3V 2 2 6. (a) Padankan ungkapan algebra berikut apabila
ph
V
D 1 3ph 2 2 n digunakan sebagai perkara rumus.
Match the following algebraic expressions when n is used
as the subject of the formula.
[2 markah / 2 marks]
Jawapan / Answer :
3. Diberi pq = 25t , ungkapkan t dalam sebutan p
2
dan q. 2 – m n = –2m
Given pq = 25t , express t in terms of p and q. n = p + 4 4 – p
2
A t = pq − 25
B t = pq + 25
pq 2 – m
C t = n =
5 4n – pn = –2m (p + 4) 2
pq
D t = 
5 (b) Diberi 7r − 3 = −2pq. Tandakan (✓) pada
pernyataan yang betul dan (✗) pada
pernyataan yang salah jika perkara rumus
2
4. Diberi ab c = 2a + 5c. Cari nilai c apabila a = −5 adalah p dan r.
2
dan b = 7. Given that 7r − 3 = −2pq. Mark (✓) against the correct
2
Given ab c = 2a + 5c. Find the value of c when a = −5 and b = 7. statement and (✗) against the incorrect statement if the
2
A 5 subjects of the formula are p and r.
1
B – [2 markah / 2 marks]
5
1 Jawapan / Answer :
C
5 (i)
D –5 p = 3 – 7r ✓
2q
(ii)
r = 2pq + 3 ✗
7

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Bab 3.indd 34 9/3/21 5:14 PM