Problem 756

Find the variation constant and an equation of variation where y varies directly as x and y = 35 when x = 5.

 

Solution:-

 

For direct variation, you use the form y = kx.

Substitute 5 for x and for y.

35 = k * 5

Solve for k.

k = 7

The variation constant is 7.

The equation of variation is y = 7x.

 

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