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Mathematics 21 Online
OpenStudy (anonymous):

What is the direct variation equation if y varies directly with x and y= -5 when x = -15 A y=-10x b y=-3x c y=3x d y = 1/3x

OpenStudy (anonymous):

Do you want me to explain my answer?

OpenStudy (anonymous):

Or you just want the answer?

OpenStudy (anonymous):

PLease explain

OpenStudy (anonymous):

Okay. You plug in the answer choices and solve for the answer

OpenStudy (anonymous):

You know y=-5 when x=-15 so multiply the answer choices by x(-15) until you get y(-5)

OpenStudy (anonymous):

It would be b

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