Page 16 - Matematik Tg2_Praktis Topikal A+_Pan Asia Publications

7. (a) (a + 6)(a – 6) 7
(b) (3x + 10)(3x – 10) 2. 10 13
(c) 12(y + 3)(y – 3) 
3V
(d) 3(m + 8)(m – 8) 3. (a) j = πt (b) 5.6 cm
8. (a) (y – 5)(y – 4) 4. (a) L = 13pq + 21p
(b) (n + 2)(n + 5) (b) 219 cm 2
9. (a) (a + b)(c + 2d) 5. y = 1.5(x + 1)
(b) (m + n)(−2m + p)
(c) (3x + y)(x – 6) BAB 4 Poligon
10. (a) 9 cm (b) (20x + 12) m
11. (a) 3(2m + 3)(m + 2) 1.
4. (a) 10 ©PAN ASIA PUBLICATIONS
(b) (x – 5)(x – 1) Segi tiga sama ✓ 3 1
4 2(2x – y)
12. (a) (b) kaki
ab x + y Isosceles triangle
xw + 10w –2n + 10
13. (a) (b) 2
5xy n – 2n Heksagon 6 6
14. (a) 2(1 – k) (b) 5 Hexagon ✓
3 – k 2b
y(y – 1)
(c)
3x 2
q(p + 1)
15. (a) Segi empat tepat ✓ 4 2
p(p – 2) Rectangle
Soalan Objektif
1. D 2. B 3. C 4. C 5. D Pentagon ✓ 5 5
6. A 7. B
Soalan Subjektif
1. (a) –6 ( 5 p + 3) = −30p – 18
2. (a) P
(b) 2m (5m + 2) = 10m + 4m
2
2. (a) x + 6xb + 9b 2
2
(b) −2x + 14x + 1 T 3 cm Q
2
3. (a) (3p + 5)(−p – 1) 72° 72°
72° 72°
(b) (x + y)(y + z) 72°
a(x – 3)
4. 6
5. (x + 6x + 4) cm 2 S R
2
(b) A B
BAB 3 Rumus Algebra
H C
1. (a) (i) x = 3a (ii) y = 3c + 2d 45° 45° 45° 2.5 cm
(iii) z = a + 2d 45° 45°
(b) (i) P = 4y (ii) P = 6b + a + 19 45° 45° 45°
3x + 54 G D
(c) S = 4
(d) (i) L = pq + 3q – 2p – 6 F E
(ii) L = 4y + 16 3. (a) 4 ; 2 ; 360°
2. (a) y = x + 5 (b) q = −2pr (b) 5 ; 3 ; 540°
1 9 (c) 6 ; 4 ; 720°
3. (a) – (b) −1 (c) 2
2 (d) 7 ; 5 ; 900°
4. (a) 210° (b) 85°
(b) RM20.80 (c) 50°
(c) L = 4(3x + 9y – 2) ; 148 cm 2 5. (a) 120° (b) 30°
Soalan Objektif (c) 32°
1. A 2. A 3. D 4. D 5. A 6. A 6. (a) 108° ; 72°
Soalan Subjektif (b) 120° ; 60°
q – 5p
1. (a) r =  (b) 4 (c) 135° ; 45°
J2