In Direct Variation, only one variable x is multiplied by a constant k called the constant of variation. Therefore the formula for Direct Variation is y=kx. The input variable x multiplied by the constant of variation k gives the output y.
read moreIn Direct Variation, only one variable x is multiplied by a constant k called the constant of variation. Therefore the formula for Direct Variation is y=kx. The input variable x multiplied by the constant of variation k gives the output y.
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