Question

what are the roots of the quadratic function? -4 and -2; 4 and 2; -4 and 2; 4 and -2

Explanation:

Step1: Identify root definition

Roots of a quadratic function are the x-values where the graph crosses the x-axis (y=0).

Step2: Match graph to options

The parabola crosses the x-axis at $x=4$ and $x=-2$, which matches the last option.

Answer:

D. 4 and -2