Page 301 - Matematik Tambahan Tingkatan 5 KSSM

(b) y (b) y
80 y = 4x
y – x = 10 120
70
(16, 64) 100 x = 20
60 80
y = x + 10
50 60 R
40
R 40 30x + 25y = 3 000
400 KEMENTERIAN PENDIDIKAN MALAYSIA
30
x + y = 80 20
20 x
0 20 40 60 80 100
10
(c) RM1 350
x
0 10 20 30 40 50 60 70 80 3. (a) x + y < 7 000, y < 2x, y > 1 000
(b) y
(c) (i) 30 < y < 60 (ii) RM5 440
2. (a) 40x + 20y < 2 000 atau setara, 7 000
30x + 60y > 1 800 atau setara, x + y = 7 000
y < 3x atau setara 6 000 y = 2x
(b) y 5 000
4 000
100
40x + 20y = 2 000
90 3 000
2 000 R
80
70 y = 3x 1 000
y = 1 000
60 (20, 60) 0 1 000 2 000 3 000 4 000 5 000 6 000 7 000 x

50 (c) (i) 5 000 liter (ii) RM330 000
40 Latihan Sumatif
30 R
1. (a) 3x + 5y > 60, 2x + 3y < 60, x > 5, y > 5
20 (b) y
x = 5
10
30x + 60y = 1 800 20 (5, 17)
0 x
10 20 30 40 50 60 70 15
(c) (i) 15 (ii) RM21 000 10 R 2x + 3y = 60
7.2 y = 5
Latihan Formatif 5 3x + 5y = 60
1. (a) 4x + 5y > 1 000 atau setara, 0 5 10 15 20 25 30 35 x
0.4x + 0.3y < 300 atau setara, y – x < 200 atau setara
(b) y (c) (i) x = 5, y = 17 (ii) RM1 560
2. (a) 5x + 6y > 60, 3x + 4y < 60, x < 2y
0.4x + 0.3y = 300
900 (b) y
800 y – x = 200
16
700
14
600 3x + 4y = 60
(342, 542) 12
500 x = 2y
10
8 R
300 R
6
200 4x + 5y = 1 000 4
100 5x + 6y = 60
2
x
0 100 200 300 400 500 600 700 0 2 4 6 8 10 12 14 16 18 20 x
(c) (i) 500 (ii) RM2 497.80
2. (a) 30x + 25y < 3 000, x > 20, y > x + 10 (c) RM324
291