kiarra879 kiarra879

19-01-2018
Mathematics

contestada

What is the direct variation equation if y varies directly with x and y= -12 When x= 6?

A. y = -2x

B. y = - 1/2x

C. y = -6x

D. y = -18x

Respuesta :

cdw2014 cdw2014

19-01-2018

If y varies directly with x, then the ratio y/x will always be the same. Set it equal to the known values and solve for y.

y/x = -12/6

Cross multiply

6y = -12x

y = -2x

Answer Link

24-01-2018

The answer would be A y = -2x

Answer Link

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