Page 13 - HEBAT SPM 2019 - MATHS

Mathematics Form 5 Answers

2. (a) (d) (i) 62 cm
2
(ii) 53.2 cm
2
x –4 –3 –2 –1 0 1 2 2.5 3 (iii) 2.3 cm
y 77 38 17 8 5 2 –7 –15.625 –28
PRACTICE Transformations III
(b) 3
y Penjelmaan III
80
Objective Questions PAPER 1
70
1. B 2. D 3. B 4. B 5. C
60 6. C
50 Subjective Questions PAPER 2
40 1. (a) (i) (6, –1)
(ii) (4, 1)
30 (iii) (8, 0)
20 (b) (i) A reflection in the line y = 0.
Pantulan pada garis y = 0.
1
10 1.75 (ii) (a) F is an enlargement of scale factor — with
–1.75 3
1.9 centre (–5, –2).
x
1
–1.4 F ialah pembesaran dengan faktor skala —
–4 –3 –2 –1 0 1 2 3 4 3
–10 pada (–5, –2).
(b) 24 cm 2
–20 y = –5x + 5
2. (a)
–30 y
H
4
(c) (i) –1.4 (ii) 1.9 G J 2 J
(d) x = –1.75, 1.75, 0 I x
–8 –4 0 4 8
–2 H
I
2 1
2
1. (a) L = (8 × 10) – 1 1 2 × x × x – 1 2 × 4 × (10 – x) –4 G
= 80 – 1 x – 20 + 2x
2
2
= 60 + 2x – 1 x (b) (i) (a) Z is a reflection in the line x = –0.5.
2
2 Z ialah pantulan pada garis x = –0.5.
(b) x = 2; y = 62 (b) A is an enlargement of scale factor 2 with
x = 4; y = 60 centre (– 4, 3).
x = 7; y = 49.5 A ialah pembesaran dengan faktor skala 2
(c) y pada (–4, 3).
(ii) 126.75 cm 2
(d)(i)
62 3. (a) (i) (–6, 0) (ii) (–6, 6)
60 (b) (i) M is a reflection in line AB.
M ialah pantulan pada garis AB.
58 –6 –6
(ii) Translation 1 2 . / Translasi 1 2 .
56 0 0
(d)(iii)
54 (d)(ii) (c) (i) (–5, 3)
53.2 2
52 (ii) 26 — unit 2
3
50 4. (a) (i) (10, –1)
48 (ii) (–1, 7)
(iii) (–6, 0)
46
(b) (i) (a) A reflection in the line x = –1/ Pantulan pada
44 garis x = –1
(b) An enlargement of scale factor 2 with the
42
centre (–4, 5). / Pembesaran dengan faktor
40 x skala 2 pada (–4, 5).
0 1 2 3 4 5 6 7 8
5.7
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12 Ans Hebat A+ Math F5.indd 2 26/02/2019 4:15 PM