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Mathematics 7 Online
OpenStudy (anonymous):

y varies directly as the square of x. When x = 1, y = 3. What is the value of y when x = 3?

OpenStudy (anonymous):

answer choices are: 1 9 27 81

OpenStudy (anonymous):

and I would love to know how to do this not just the answer

OpenStudy (primeralph):

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