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OpenStudy (anonymous):
If y varies directly as x, find the constant of variation if y = 10 when x = 5
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OpenStudy (anonymous):
K so for this the formula is \[y=kx^n\] We pluck the values in and have 10=k(5) [All we do here is divide 5 on both sides] |dw:1341608684236:dw| As you saw in the drawing, k then equals 2. K is the constant of variation in this problem, so that means your answer is 2.
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