Page 308 - Matematik_Tingkatan_2

Jawapan Jawapan

6. a = 9 b = 15 4. (a) (i) 30 km (ii) 42 km (b) Pasangan tertib:
y (b) RM82.80 {(1, 1), (2, 4), (3, 9), (4, 16), (5, 25)}
7. (a) domain {−5, 2, 4}, (b) domain { −4, 0, 1, 4}, 4
julat {0, 8, 15, 16} julat {−5, −3, 1, 2, 4} 5. (a) x –2 –1 0 1 2 3 Jadual:
3 I 1 2 3 4 5
y 33 9 –5 –9 –3 13
JOM CUBA 8.2 2 y S 1 4 9 16 25
(b)(c)
1. (a) x 0 1 2 3 4 1 35 Graf:
y 2 5 8 11 14 x
(b) x 0 1 2 3 4 –3 –2 –1 O 1 2 3 30 S
y 0 2 8 18 32 –1 24
25
(c) x –2 –1 0 1 2 3 –2 21
y –6 1 2 3 10 29 20 18
–3
15
2. (a) –4 15
x –3 –2 –1 0 1 2 3 12
y –8 –6 –4 –2 0 2 4 –5 10 9
(b) (c)
x –1 0 1 2 3 6
x –3 –2 –1 0 1 2 3 5
y –4 –5 –2 5 16 3
y 35 16 9 8 7 0 –19
(c) x –2 –1 0 1 2 3 4 y –2 –1 O 1 2 3 x O I
Free resources from www.mathsphere.co.uk 40 1 2 3 4 5

y –30 –9 –6 –3 18 75 186 Persamaan: f (x) = x 2
–5
3. (a) 30 3. (a) (i) L (ii) j
2
–10 (b) L = 4 j
20
x –3 –2 –1 0 1 2 3 4 4. (a) {(1, 1), (2, 8), (3, 27), (4, 64)}
y 2 3 4 5 6 7 8 9 10 (d) 2.3, −0.4 (b)
y T 1 2 3 4
–3 –2 –1 O 1 2 3 x MENJANA KECEMERLANGAN
9 U 1 8 27 64
–10
8 1. (a) Ya (b) Bukan
–20 (c) U
2. (a) Pasangan tertib:
7 Free resources from www.mathsphere.co.uk
{(1, 11), (2, 22), (3, 33), (4, 44), (5, 55)}
6 70
(d) Jadual: 60
5 B 50
x –4 –3 –2 –1 –0.5 0.5 1 2 3 4 1 2 3 4 5
4 y –1 –1.33 –2 –4 –8 8 4 2 1.33 1 A 11 22 33 44 55 40
30
20
3 y Graf: 10
A T
2 8 O 1 2 3 4
1 6 (d) y = x atau f(x) = x 3
3
55
x 4 5. (a) (i) RM96 (ii) RM90 (iii) RM80
–3 –2 –1 O 1 2 3 4
Free resources from www.mathsphere.co.uk 44
(b) 2 (b)
33
x –3 –2 –1 0 1 2 3 –4 –3 –2 –1 O 1 2 3 4 x x 5 10 15 20 25 30 35 40 45 50
y –5 0 3 4 3 0 –5 22 y 90 80 70 60 50 40 30 20 10 0
–2
11
Free resources from www.mathsphere.co.uk
–4
B
–6 1 2 3 4 5
Persamaan: f (x) = 11x
–8
300 301
Free resources from www.mathsphere.co.uk