SOLUTION: The variable y varies directly as the square of x, and y=2 when x=2. Write an equation that relates x and y. Find y when x=1.5.

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Question 363035: The variable y varies directly as the square of x, and y=2 when x=2. Write an equation that relates x and y. Find y when x=1.5.
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi,
The variable y varies directly as the square of x
y = kx^2
2 = k*4
(1/2) = k
y = (1/2)x^2
Find y when x=1.5

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