Question
Use the given information to find the unknown value.$y$ varies directly as the square of $x .$ When $x=2,$ then $y=16 .$ Find $y$ when $x=8$.
Step 1
This can be written as $y=kx^2$, where $k$ is the constant of variation. Show more…
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For the following exercises, use the given information to find the unknown value. $y$ varies directly as the square of $x$ . When $x=2,$ then $y=16 .$ Find $y$ when $x=8 .$
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