Determine the vertex of the graph of the quadratic function $f ( x ) = x ^ { 2 } - 8$ .
A) $( 0,8 )$
B) $( - 8,0 )$
C) $( - 8 , - 8 )$
D) $( 0 , - 8 )$
E) $( 8,0 )$

Question

Quizplus · Accepted Answer

The vertex form of a quadratic function is $f(x) = a(x - h)^2 + k$, where $(h, k)$ is the vertex. For $f(x) = x^2 - 8$, it's already in a form where $a = 1$, $h = 0$, and $k = -8$, making the vertex $(0, -8)$.

Determine the Vertex of the Graph of the Quadratic Function f(x)=x2−8f ( x ) = x ^ { 2 } - 8f(x)=x2−8

Determine the Vertex of the Graph of the Quadratic Function $f ( x ) = x ^ { 2 } - 8$