SOLUTION: Find an equation of variation where y varies directly as the square of​ x, and where y=0.86 when x=0.1

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Question 1085676: Find an equation of variation where y varies directly as the square of​ x, and where y=0.86 when x=0.1
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

if y varies directly as the square of x,we have
y=k%2Ax%5E2
and if y=0.86 when x=0.1, we have:
0.86=k%2A%280.1%29%5E2
0.86=k%2A0.01
0.86%2F0.01=k
86%2F1=k
k=86
and your equation is: y=86x%5E2