Algebra
SSM
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Algebra SSM |
| NNS Year 9: Algebra | |
| Straight lines |   |
| Find the inverse of a linear function and plot its graph. | |
| The function × 2 has the inverse
÷ 2 or × 1/2 The function × 3 has the inverse ÷ 3 or × 1/3 The function × 5 has the inverse ÷ 5 or × 1/5 In general, the function × a has the inverse ÷ a or × 1/a. The graph of y = ax is a straight line. How does it compare with the line y=(1/a)x? |
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