Page 24 - Focus SPM KSSM 2021 Tingkatan 5 - Maths DLP

Mathematics Form 5 Answers

2. (a) m = 6n 4. (a) e = t
5√p 139
(b) 3 cm
3
(b) m = 15n
p 5. y = 4.5wx 2
3. (a) a = 8√b 6. y ∝ 1
c x
(b) 2 7. (a) The number of bags is halved.
(b) The number of bags is doubled.
1.2Q
4. (a) P = 6
R 2 8. (a) g = 3 √h
(b) x = 3, y = 0.8 (b) 10
5. (a) 4 9. (a) m = 24 2
(b) 0.04 n
(b) 0.5
6. 33 10. (a) V = 9
3b √W
7. (a) t =
1000m (b) 225
(b) 7.5 hours
11. (a) A = 20
8. (a) 4 (b) 8 √L
(b) The time needed varies inversely as the number of workers.
The time decreases if the number of workers increases. (c) 25
x
SPM Practice 1 12. (a) y ∝
z
√W
PAPER 1 (b) V ∝ U
1. B 2. D 3. C 4. C 5. D 3.2Q 3
13. (a) P =
6. A 7. B 8. A 9. C 10. A R
(b) 1.6
11. D 12. B 13. C 14. A 15. A
16. B 17. B 18. C 19. C 20. B 14. (a) m = 4n
√p
PAPER 2 (b) 81
1 15. (a) S = 72
1. T√U
3
(b) 4.8
2
2. (a) m = 1.5n
(b) 2.16 16. (a) 5.6
3. (a) E = 3.6 √F (b) If G is doubled, E is halved. This is because E varies
3
(b) 125 inversely as G.

162

11 ANS Focus KSSM Math F5_E2021.indd 162 18/02/2021 3:15 PM