# How do I find vertex of a parabola with 2 x-intercepts and 1 y-intercept: x intercepts: (-2,0), (8,0) and y intercepts: (0, -16)?

##### 1 Answer

Apr 21, 2015

The function is

Any quadratic function can be written as

In this case youy can easily find, that

The remaining 2 points can be used to form aa set of equations

From these equations you find that