## College Algebra (6th Edition)

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).
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)