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Determine whether y varies directly with x. If so, find the constant of variation k and write the equation. 

 Nov 26, 2018
 #1
avatar+107405 
+1

If  y varies directly with x, then    y / x    must be the same constant

 

So

 

11 / 7  ≈ 1.57

 

But

 

13 / 8   = 1.625

 

So.....there is no direct variation

 

 

cool cool cool 

 Nov 26, 2018

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