Page 192 - Mathematics_Form_3

Answers

 4  2 19 3.
4. y = 3 x +   − 9
 3  3
8
2
5. y = − 9 x +   1   + 6 7
 3  6
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6. Minimum values is 2 and axis of
5
symmetry is x = 4
4
7. Maximum value is 4, axis of 3

symmetry is = 1 2
1 1
8. Minimum value is − and axis of
3 8 -2 -1 0 1 2 3 4 5
symmetry is x = − -1
4
9 -2
9. Maximum value is , axis of
1 4
symmetry is x = − 4. y
2
3
10. Maximum value is 1 and axis of
symmetry is x = 1 2 f(x)=1
1
Exercise 2.6 -2 -1 0 1 2 3 4 5 x

-1
f(x)=x-4
1. (a) 5 (b) 1 -2
f(x)=-x
(c) − 1 (d) 102 -3
Mathematics for Secondary Schools
2. y

14
12
10
8
6
4
2

-1 0 1 2 3 4 5 6 7 x
-1

Student\s Book Form Three 185

MATHEMATIC F3 SB.indd 185 18/09/2025 10:00:10
18/09/2025 10:00:10
MATHEMATIC F3 SB.indd 185