Question

ONLY RIGHT ANSWERS.

If the value of a in the quadratic function f(x) = ax 2 + bx + c is -2, the function will_______.
open down and have a minimum
open up and have a maximum
open down and have a maximum
open up and have a minimum

Answer 1

Open down and have a maximum

Explanation:

A negative a value will reflect the curve (it's a parabola) So after getting flipped over, the curve will have a highest point(a maximum); it opens downward (the shape of an arch or the path of a tossed ball)