Answer
A quadratic function in standard form is below:
$f(x)=a(x-h)^{2}+k$ where a $\ne$ 0,
The graph of f is a parabola whose vertex is the point (h, k).
Work Step by Step
For example, the quadratic function
$f(x)=-2(x-3)^{2}+8$
The vertex is (h, k)
h=3 and k=8
Therefore, the vertex = (3, 8)
