Question

I have came with another question :) help meee :OOO pws
Identify the quadratic function from the choices below whose parabola opens downwards.
A) y=-5x+x^2
B) y=2x^2-4x
C) y=x^2-11x+7
D) y=x-2x^2+9

Answer 1

gracias camilia (:

Answer 2

Oh wait this is a tricky question at first glance you would think A is the answer because there is a negative but you have to arrange it in this format ax^2+bx+c. When you arrange it D will be the answer.

Answer 3

oh ok thank you