About the Direct Variation
Find a direct variation constant and use it to predict another y value.
Find the constant of variation and calculate y for a direct variation y = kx.
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Find a direct variation constant and use it to predict another y value.
| Known x | 4 |
| Known y | 20 |
| New x | 7 |
| Constant k | 5 |
| New y | 35 |
k = 5, so y is 35 when x = 7.
Try this example →It is a proportional relationship where y divided by x remains constant.