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Mathematics 10 Online
OpenStudy (anonymous):

Write an appropriate direct variation equation if y = 8 when x = 4. A. y = 2x B. y = 32x C. y = -2x D. y = -32x

OpenStudy (ivettef365):

the formula is y=kx

OpenStudy (ivettef365):

substitute x for 4 and y for 8 to find value of k

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