Provide an appropriate response.
-A quadratic equation $f ( x ) = 0$ has a solution $x = 3$. Its graph has vertex $( - 1 , - 16 )$. What is the other solution of the equation?
A) 7
B) $- 5$
C) $- 4$
D) $- 3$

Question

Quizplus · Accepted Answer

The vertex of a parabola is halfway between the two x-intercepts. Since the vertex is at (-1, -16) and one x-intercept is at 3, the other x-intercept must be at -5.

Provide an Appropriate Response f(x)=0f ( x ) = 0f(x)=0 Has a Solution

Provide an Appropriate Response $f ( x ) = 0$ Has a Solution