Is $5 y = - 4 x$ $5y = -4x$ a direct variation and if it is, how do you find the constant?

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Answer 1 · 2015-05-23T11:42:47

Since $5 y = - 4 x$ $5y=-4x$ implies

$y = (- \frac{4}{5}) x$ $y=(-4/5)x$

this equation is a direct variation with a constant of $(- \frac{4}{5})$ $(-4/5)$

Is 5y=−4x5y = -4x a direct variation and if it is, how do you find the constant?