Question

Which equation represents a quadratic function?

(1) y = x + 2 (3) y = x
2
(2) y = ∙x + 2∙ (4) y = 2

Answer 1

a

Explanation:

Answer 2

quadratic is where the degree of x is 2
I would think 3 is the one that might have been written as y=x² which would be correct