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2 November, 14:40

What is the equation of direct variation given that y is 16 when x is - 2?

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  1. 2 November, 17:34
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    An equation of direct variation follows the general equation y=kx. since we are given an x and y coordinate, we can calculate k. 16=k (-2), so k=-8. therefore the general equation is y=-8x
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