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Mathematics 14 Online
OpenStudy (anonymous):

if y varies directly as the x squared and y=200 when x=5 what is the value of y when x=-3? a. -72 b. 120 c. 72 d. -120

OpenStudy (anonymous):

If I read this correctly, y = 200 and x = 5 has a difference of 40. So all we have to do now is x = -3 times 40. So the final answer is D, -120.

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