Page 19 - PRAKTIS HEBAT ADDMATHS TG4

Additional Mathematics Form 4 Answers
Substitute a into b / Gantikan a ke b: 675
n
qr — (c) m = —––
5 = 5 × 5 2r 35. 64
p
q
qr 36. (a) p = 0, 1, –1 (any one/ mana-mana satu)
q = —– + 2r
p 3
pq (b) —
5
r = —–––– [shown]
q + 2p 37. 16
7. (a) 59.32°C (b) 14 minutes/ minit 38. k = 9, r = 3; k = –9, r = –3
39. (a) 2 (b) 78 732
40. m = 8, n = 4; m = –24, n = 36
HOTS PRACTICES PAK-21
1. p = 4 41. 624 3
42. (a) — (b) 20
2
43. (a) 3 (b) 1 048 512
Pract ice Progressions 44. 2— or/ atau —
8
38
spm 5 Janjang 15 15
45. r = –2, r = 3
1
46. —
PAPER 1 3
1
1. (a) An arithmetic progression because d = d 2 47. (a) p = 45, q = 5 (b) 67—
2
1
Janjang aritmetik kerana d = d 2 9
1
(b) Not an arithmetic progression because d ≠ d 2 48. (a) first term/ sebutan pertama = —,
n
1
n
Bukan janjang aritmetik kerana d ≠ d 2 common ratio/ nisbah sepunya = —
1
4
27
2. (a) 2 (b) — (b) —––––– 3
3
3. 5, 3, 1, –1 3n – n 2
5
2
4. (a) 1 (b) 49, 53, 57 49. (a) —, – — (b) —, —
5
2
5. 53 5 5 12 28
6. 12 3 (b) —
1
7. a = 4, d = 5 50. (a) x 2
8. m = –2, n = 12 51. (a) p = 0.000148, q = 0.000000148
9. h = 2, k = 8 (b) 0.001
10. (a) –21 (b) 8
94
(c) 1 100 52. —
99
11. (a) 43.5 (b) –32.5 53. p = 10, q = 11
16 – 2x
12. (a) y = —––––– (b) 5
2
5 54. —
9
13. (a) 7p + 6 (b) — 55. 8 3
4
1
14. (a) – — (b) –2 56. —
2
2
15. 20 3
16. (a) 4 (b) 1 125 57. (a) m = 0.0048, n = 0.000048
17. (a) 132 (b) 30.5 (b) —
16
33
h
18. k = — 58. (a) 5 (b) 4
3
19. 54 27
20. –5 59. b = — 2
a
21. (a) 4 (b) 315 60. 8 hours/ jam
22. a = 10, d = –2 61. 11 year/ tahun ke-11
th
23. (a) T = –3, T = –1, T = 1
2
1
3
(b) 60
21 – 10n
24. —–––––– PAPER 2
2 1. (a) a = –9, d = 8 (b) 5 880
25. a = –10, d = 8 2. (a) –15 (b) 6
26. 18 onwards / 18 dan seterusnya (c) 75
1
27. 34, 41, 48, 55 3. (a) 60 (b) a = –22— , d = 5
28. 11 week/ minggu ke-11 (c) 6 2
th
29. 6 4. (a) 4 (b) 9
30. 30 (c) 8
31. (a) 4 (b) 2 5. (a) 28.8, –28.8 (b) 660.24, –188.64
1
32. 4, 2, 1, — 6. (a) 5 (b) 4
2 (c) 8 388 608 (d) 10
33. No because r ≠ r ≠ r / Tidak kerana r ≠ r ≠ r 3
1
2
3
2
1
34. (a) 3 (b) 5 7. (a) (i) 104
(ii) 40
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