Question

WILL FAN AND MEDAL!!!
Which is the quadratic variation equation for the relationship? y varies directly with x2 and y = 36 when x = 3.
A. y = x2 + 25
B. y = 4x2
C. y =1/4x2
D. y = 12x

Answer 1

what you think it's is

Answer 2

B?

Answer 3

Your direct proportion would be.

y=k(x^2)

You need to solve for k first.

36=(3^2)k

k=4

Answer 4

Yes, you are right.

Answer 5

Awesome! :'D Thank you @dtan5457