Page 49 - FOCUS KSSM TG 4 MATEMATIK TAMBAHAN

Matematik Tambahan Tingkatan 4 Jawapan

5. (a) Janjang aritmetik (b) (i) 1 = 0.14, y = 7.143
5 y
(b)
3 (ii) k = 20
(c) 320 cm (iii) p = –3
6. (a) f (x) = 3x – 15 12. (a) p = 110, q = 60, r = 25
–1
2 (b) 122.9
(b) a = , k = –18
3 (c) RM737 400
(c) gf(x) = 2 x – 8 (d) 132.73
3
13. (a) 12.83 cm 2
7. (a) 5.94 (b) 29.5°
8x + 32 (c) 35.48 cm 2
(b) y = 3
x 3 14. (a) (i) 117.28°
(c) x = 1.511 (ii) 11.4 cm
(b) 80.94°
8. Nasi lemak = RM4.50, mi goreng = RM5.00,
nasi ayam = RM6.00 S
9. (a) y = 1 x – 2
3
1
(b) 0, 4 2
3
2
2
(c) 3x + 3y + 50x + 2y – 18 = 0
10. (a) (i) – 4x + 16y
~ ~
15
(ii) x + 4y P
2 ~ ~ Q R T
8 2
(b) h = , k = 15. (a) RM380
17 17
(b) 150
11. (a) (c) RM43.20
(d) 149.75
1
—
y
0.5
0.4
0.3
0.2

0.1
0 x
1 2 3 4 5 6 7
–0.1

–0.2

–0.3

–0.4

252