Question

identify the quadratic function whose parabola opens downward a.)y=10x-3x^2 b.)y=4x^2-6x-3 c.)y=x^2-10x+5 d.)y=8x+5x-3

Answer 1

Which one is negative?

Answer 2

a.)y=10x-3x^2

Answer 3

-3x^2 is negative

Answer 4

Since the quadratic equations format is ax^2+bx+c you would put it like that. If the A part of the equation is negative it points down.