SOLUTION: x varies directly as the square of s, and inversely as t. How does x change when s is doubled? When both s and t are doubled, how does x change?

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Question 39002: x varies directly as the square of s, and inversely as t. How does x change when s is doubled? When both s and t are doubled, how does x change?
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
We can write this variation equation as
x = k (s^2 / t)
Thus if s doubles, x goes up by a factor of four.
If both s and t are doubled, x only goes up by a factor of 2.