Question

Which is the quadratic variation equation for the relationship?

y varies directly with x^2 and y =36 when x=3

A.y=x^2+25

B.y=1/4x ^2

C.y=4x^2

D. y=12x

Answer 1

take option A.

when you apply x=3 in this equation,you get what?

Answer 2

Ohhhh i see thanks!

Answer 3

good!..:)