Question

Which is the quadratic variation equation for the relationship?

y varies directly with x^2 and y = 48 when x = 2.


A.
y = 12x2

B.
y = 4x

C.
y = x2 + 25

D.
y = 4x2

Answer 1

@BloomLocke367

Answer 2

y = kx^2

This is the equation for direct variation for quadratics.

Plug in what we know:

48 = k(2)^2

What's 2^2? @horsegirl325

Answer 3

4