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Mathematics 17 Online
OpenStudy (anonymous):

Someone please help! Determine whether y varies directly with x. If so, find the constant of variation and write the equation. A) no B) yes; k = -2 and y = -2x C) yes; k = 1/2 and y = 1/2x D) yes; k = 2 and y = 2x

OpenStudy (anonymous):

This is the chart: x | y -2 | -4 -4 | -8 -16 | -32

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