Question

which of the following are quadratic functions?check all that apply.
A.y=x^2+5x-2
B.y=-x+2
C.y=5x-3/2 +x^2
D.y=x-1/x

Answer 1

all that have x^2
A.y=x^2+5x-2
C.y=5x-3/2 +x^2

Answer 2

I think that it’s A and C