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Mathematics 21 Online
OpenStudy (anonymous):

y varies directly as the square of x. When x = 4, y = 32. Find x when y = 18.

OpenStudy (anonymous):

Notice that when x=4, y=32. What relationship do you see here?

OpenStudy (anonymous):

4*8?

OpenStudy (anonymous):

Sooo x would be 3 if y is 18?

OpenStudy (anonymous):

Yes.

OpenStudy (anonymous):

X= + or - 3 THANK YOU SO MUCH!! I understand now

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