Page 58 - ACE YR IGCSE A TOP APPR' TO MATHS

4 (a), (b) and (c) Clockwise, 90°
y Centre (0, 0) [3]
6
7 (ii) Translation ( ) [2]
6 –10
5 (b) (–4, 3), (–5, 3), (–4, 6) and (–5, 6) [2]
4 (c) (–2, –5), (–2, –7), (4, –5) and (4, –7) [3]
3
2 y
1 P 7
R x 6
–8 –7 –6 –5 –4 –3 –2 –1 0 1 2 3 4 5 6 7 8
–1 Q 5
–2 P 4 Q
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–3 S 3
–4 2
–5 1
–6 0 x
–7 –7 –6 –5 –4 –3 –2 –1 –1 1 2 3 4 5 6 7 8
[8] –2
5 (a)(i) and (ii) –3
y –4
7 –5 R
6 –6 R′
A’’ 5 –7
4 –8
3 –9
2 –10
1
x 8 (a)(i), (ii) and (iii) y
–8 –7 –6 –5 –4 –3 –2 –1 0 1 2 3 4 5 6 7 8
–1
–2 7
–3 A’ 6
–4 5
–5 C 4
[4] 3
(b) Enlargement 2
Centre (8, –4) 1
Scale factor of 2 [3] x
6 (a)(i), (ii) and (iii) –7 –6 –5 –4 –3 –2 –1 0 1 2 3 4 5 6 7 8
–1
y
A –2 B
7 –3
6 –4
5 –5
4 –6
A 3 (a)(iii) –7
2 –8
1 –9
x –10
–7 –6 –5 –4 –3 –2 –1 0 1 2 3 4 5 6 7 8
–1 [8]
–2 (b) 1:4 [2]
(a)(i) –3 (a)(ii)
–4
–5
–6 B 8 8 Probability
–7
–8 Probability
–9
–10 4
[7] 1 (a) 11 [1]
(b) Rotation 4
Anticlockwise, 90° (b) 11 × 165
Centre (6, 2) [3] = 60 [1]
7 (a) (i) Rotation 4 4 4
2 (a) × = [2]
6 6 9

Cambridge IGCSE
TM
178 Ace Your Mathematics

Answers.indd 178 15/03/2022 11:08 AM