# What is the vertex of #y= x^2+16x-1 #?

##### 1 Answer

Feb 27, 2016

Put the equation into vertex form to find that the vertex is at

#### Explanation:

The vertex form of a quadratic equation is

and the vertex of that graph is

To obtain the vertex form, we use a process called completing the square. Doing so in this case is as follows:

Thus the vertex is at