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Question
Find the values.
y = x + 3
| x | 0 | − 2 | ||
| y | 0 | − 3 |
Solution
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 |
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