Page 184 - Mathematics_Form_3

Answers

13. y 5. (a) Ordered pairs = {(4, a), (4, 1),
(3, a), (3, 1), (8, a),
3
y=-x (8, 1)}
2
(b) Ordered pairs = {(a, 4), (1, 4),
FOR ONLINE READING ONLY
1 (a, 3), (1, 3), (a, 8),
(1, 8)}
-3 -2 -1 0 1 2 x
(c) Ordered pairs = {(4, 4), (4, 3),
-1
(4, 8), (3, 4), (3,3), (3, 8),
-2 (8, 4), (8, 3), (8, 8)}

Domain = { :xx∈ } (d) Ordered pairs = {(a, a), (a, 1),
(1, a), (1, 1)}
Range = { :yy∈ }
6. (a) y
14. y
3
4
(2, 2) (3, 2)
3 2 2
x=|y|
2 1 1
1
-1 0 1 2 3 4 x
-1
-1 0 1 1 2 2 3 4 x
-1 -2

-2
x=2 y
-3 (b)
8
-4
(1, 7) (2, 7)
7
Domain = { :0x ≤≤ } 2
x
6
Range = { : 2y −≤ y ≤ } 2 (1, 5) (3, 5)
5

Revision exercise 1 4 Mathematics for Secondary Schools
3
1. Range = {2, 4, 6, 8 } (1, 2) (2, 2)
(2, 2)
2
2. Range = { 4, 1, 2, 5− − } 1

3. Range = {9, 13, 17, 21 } -1 0 0 1 2 3 4 x

4. Range = {1, 4, 9, 16 } -1

Student\s Book Form Three 177

18/09/2025 10:00:06
MATHEMATIC F3 SB.indd 177
MATHEMATIC F3 SB.indd 177 18/09/2025 10:00:06