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Mathematics 7 Online
OpenStudy (shadowcain):

Which equations show direct variation between x and y? Choose all answers that are correct. A. 3x = y <-- B. y = 4.2/x C. y/x = 6 <-- D. y = 0.5x + 9

OpenStudy (anonymous):

Direct variation can be expressed by the equation y = kx, and therefore also as k = y/x. Which of the equations shown have this format?

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