Homework Help: Algebra (direct variation)

Posted by Hannah on Monday, November 28, 2011 at 7:14pm.

the value of y varies directly with x, and y=-2 when x=-4 Find y when x=8

-2=k(-4)

Algebra (direct variation) - Steve, Monday, November 28, 2011 at 7:26pm
so, now you know k
y = kx
y(8) = 8k

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