Question

Find the values.
y = x + 3

x	0		− 2
y		0		− 3

Answer 1

Let y = x + 3

(i) if x = 0, y = 0 + 3 = 3,

∴ y = 3

(ii) y = 0, 0 = x + 3,

∴ x = – 3

(iii) x = – 2, y = – 2 + 3,

∴ y = 1

(iv) y = – 3, – 3 = x + 3,

∴ x = – 6

y = x + 3

x	0	− 3	− 2	− 6
y	3	0	1	− 3