Does the equation $y = 4 x$ $y = 4x$ represent a direct variation and if so, identify the constant of variation?

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Answer 1 · 2017-08-25T13:51:08

$y \propto x . \Rightarrow y = k x, where k is the constant of variation.$ $y prop x. rArr y=kx," where k is the constant of variation."$

$:. y prop x, and k=4.$

Does the equation y = 4xy=4xy = 4x represent a direct variation and if so, identify the constant of variation?