Page 33 - FOCUS KSSM TG 4 MATEMATIK TAMBAHAN

Matematik Tambahan Tingkatan 4 Jawapan

4. (a) 4 (b) –0.1871 (c) –0.7202 (d) 0.4515 Praktis SPM 4
(e) 1.6335 (f) 0.7267
5. (a) x = log 500, 2.6990 Kertas 1
10
(b) x – 2 = log 6.65, 2.8228 2
10
(c) 2x + 1 = log 680, 0.9163 1. x = – 3
10
(d) 3 – 2x = log 1200, –0.03959 2. x = –1.6348
10
p
6. (a) log 6x y (b) log 192q 3. x = –1
2
2
4
13 4 4. m = n – 1
3
(c) log k h (d) log
2
6 5 3mn 3
5. n = 2m + 11
5y 4 16p q 3
2 11
7. (a) log (b) log ab
4 27x 3 8 9 6. c =
10 4
(c) log 1 (d) log 27k h a + b
9
2 6m n 6 2 7. m = 6
n – 1
8. (a) 1.2619 (b) 1.6573 4
(c) –1.2630 (d) 0.7381 2 5
(e) 2.4292 (f) 1.0151 8. m = 1 2
q
9. (a) 4.8685 (b) 6.8928 11 + 6  2
23 25 9.
(c) (d) 7
12 6
10. x = 5
10. (a) 0.6133 (b) –0.7734 51
(c) 2.4266 (d) –0.08220 11. x = 3, 49
(e) –0.4234 (f) 2.1293 12. x = –1
11. (a) 6 (b) 1 13. log 10 
30
2
12. (a) 2p + 1 (b) 3 – p 14. 20.57
(c) p + 2 (d) 2(2p – 1) m(5 – 3m)
2 15. x =
p + 1 p + 3 4
(e) (f)
p 3 16. y = x(3x – 1)
13. (a) x + 1 (b) 2x – 2 3x + 2
3 1 – x 17. m = 4  3
(c) (d) 3
x 2x
18. 2(x + 1)
14. (a) m + n (b) 2(m – n) y
4m – 3n 3(2m – n)
(c) (d) 19. (a) 2p
3 m
(b) 2(2p + 1)
Cuba ini! 4.4 p
1. (a) x = 3 (b) x = 1 20. x = 32
3
2 21. k = 4
(c) x = 9 (d) x = –
3 1
2. (a) x = 4 (b) n = 2 22. p = 3
(c) x = –2 (d) n = –3 q
3. (a) x = 2 (b) n = –1
(c) x = 3 (d) m = 1, –2 Kertas 2
4. (a) 1.1602 (b) 2.8268 1. x = –1, 2
(c) –0.4304 (d) 2.7345 2. x = 1
5. (a) x = –2 (b) x = 5 3. 553 – 304  3
(c) x = –1 (d) x = 7 169
6. (a) x = 11 4. 3 + 2  3
(b) Tiada jawapan (Nilai negatif tidak diterima bagi log). 5. 2  5 –  2
(c) x = 2 302 6. 1 + 
10
6 497
(d) 7. RM294 598
128
–5
8 +  8. 5.73 × 10 tahun
82
7. x =
6 9. 5
8. Tiada jawapan (Nilai negatif tidak diterima bagi log). 10. 1.9858 mol per liter
9. 3.162 × 10 mol per liter 11. RM5 481
–6
10. 1 × 10 watts per meter persegi
–3
236