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11-03-2021
Mathematics

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The value of y varies directly as x, and y is 64 when x is 8. What is the constant of variation k?

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11-03-2021

Answer:

Step-by-step explanation:

Direct variation has the form y/x=k or y=kx so for y=64 and x=8 we have

64=8k, dividing each side by 8

k=8

So the constant of variation is 8

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