Question

Which is the quadratic variation equation for the relationship?

y varies directly with x^2 and y = 72 when x = 6.


A.
y = 2x^2

B.
y = x^2 + 25

C.
y = 12x

D.
y = 4x^2

I say A!

Answer 1

@IshipDestiel @mathstudent55 @mathmale @volleyballlover55

Answer 2

I agree with A

Answer 3

B and C don't vary with x^2 and D doesn't work with (6,72)

Answer 4

thats what i found out, but i wasnt sure , thank you