Question

Which relationship shows a quadratic equation?

Answer 1

B and C

Explanation:

I don't know what A is, but it does not appear to be a quadratic and its not linea.

B is a quadratic. y = 2*x^2

C is y = x^2 + 1 This is a quadratic as well.

D I don't know what this is either, but it is not a quadratic and it is not linear