Question
The quantity y varies directly with the square of x. If y = 3 when x = 9, find y when x is 11.
Round answer to the nearest hundredth.
Round answer to the nearest hundredth.
Answers
Steve
y=kx^2
y/x^2 is constant
You want y such that
y/11^2 = 3/9^2
y/x^2 is constant
You want y such that
y/11^2 = 3/9^2