Page 28 - PRAKTIS HEBAT ADDMATHS TG4

Additional Mathematics Form 4 Answers
3. (a) 150 12. (a) RM3.51
(b) 125 (b) RM51 502.15
4. RM1 375 (c) Increased by / Meningkat 63.1%
5. Increased by / Meningkat 20%
6. I = 120 PAK-21
R
I = 90 HOTS PRACTICES
S
I = 120 1. 132
T
I = 120 2. 1 : 3 : 6
U
7.
Fuel / Bahan api Increased by/ Meningkat 16.67%
Utility / Utiliti Decreased by/ Menyusut 20% Assessment Paper
Assessment Paper
Assessment Paper
Salary/ Gaji Increased by/ Meningkat 28%
Rent / Sewa Increased by/ Meningkat 25% Paper 1
1. (a) (i) 16
8. 114.94 (ii) 3
9. 111.13 (b) f(x) = x or/ atau f : x → x 2
2
10. 132 2. (a) 5
11. 125 (b) x
12. 2 3. (a) b = –9, c = –5
13. (a) 125.7 (b) p = –3, p = 3
(b) RM3 142.50 11
14. 136.1 4. (a) (3, –49)
15. 121.4 (b) x = 3
(c) two different real roots
dua punca nyata yang berbeza
PAPER 2 (d) –4 , x , 10
1. (a) RM5 7
(b) 1 5. (a) 4
(c) RM35.70 — 1 5
(d) 125.93 (b) r = q
2. (a) RM36 6. x = 4, x = 9
(b) Increased by / Menokok 10% 7. p = –8, q = 3
(c) (i) 132.25 (ii) RM185.15
3. (a) RM1.50 (b) 125 8. (a) 2 1
(c) 102.4 (d) RM12.47 2
4. (a) RM44 000 (b) 116.25 (b) 22
(c) RM139 500 (d) 126.18 (c) 8 1
5. (a) x = 500, y = 1 612, z = 110 2
(b) 120.97 (c) RM604 850 9. (a) 5
(d) 157.26 (b) 22
6. (a) 112 (b) 130 10. (a) 9
(c) RM19.20 (d) 146 (b) 19 683
(e) RM140.00 (c) 29 520
7. (a) x = 0.25, y = 150, z = 0.40 11. (a) 8
(b) 129 (c) RM322.50 (b) (7, 0)
(d) 148.35 (c) x + y – 12x + 8y – 173 = 0
2
2
8. (a) I = 125, I = 150, I = 200, I = 80 12. (a) k = 4, k = –6
B
A
D
C
(b) 154.5 (c) RM3.09 (b) 30 unit 2
(d) 162.23 13. (a) (i) 6i + 8j

9. (a) (i) h = 132, k = 104 ~ ~

(ii) RM25 3i + 4j ~
~
(b) 4 (ii) 5
(c) RM144.90 (b) (i) 8i – 12j

~
~
10. (a) RM40 (ii) (18, –10)
(b) I = 180, I = 137.5, I = 140, I = 136 14. (a) 89.13°
C
B
A
D
(c) 154.83
(d) RM197.25 (b) 25.98 cm 2
(c) 594.20 cm
11. (a) (i) 120 (ii) 5.00 15. (a) 25%
(b) 125.71 (b) 117.25
(c) (i) 103.41 (c) RM1 961.62
(ii) 34 615 chicken nuggets / ketul nuget ayam
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