y varies inversely with x y = 2.5 when x = 5 What is the value of k, the constant of inverse variation? A. k = 0.5 B. k = 2 C. k = 12.5 D. k = 50

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User:
y varies inversely with x
y = 2.5 when x = 5
What is the value of k, the constant of inverse variation?
A. k = 0.5
B. k = 2
C. k = 12.5
D. k = 50

y varies inversely with x, the equation is in the form y = k/x where k is the constant. We were given y = 2.5 when x = 5, so k = xy = 5(2.5) = 12.5 The constant of inverse variation is k = 12.5

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