Given an equation determine if y varies directly with x

The video tutorial explains how to determine if Y varies directly with X, focusing on the concept of direct variation. It describes the mathematical form y = KX or y/X = K and highlights the absence of addition or subtraction in such equations. The tutorial demonstrates why a given example cannot be rewritten as a direct variation due to the presence of additional terms that prevent isolating X. The explanation concludes by affirming that the example does not fit the criteria for direct variation.

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