Recognizing direct & inverse variation (video) | Khan Academy
https://www.khanacademy.org/math/algebra-home/alg-rational-expr-eq-func/alg-direct-and-inverse-variation/v/recognizing-direct-and-inverse-variation
WEBBe careful, y=kx is not inverse variation. This is direct variation because one variable, y, varies directly with the other variable, x, which is scaled by a constant, k. y=k*1/x is the only form of inverse variation, although it can look quite different when you apply some algebraic manipulation.
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