# What is the the vertex of #y = (x+6)(x+4) #?

##### 1 Answer

Jan 4, 2016

The vertex is the point

#### Explanation:

Let

One approach is to just realize that the vertex occurs halfway between the

For a more general approach that works even when the quadratic function has no

This puts the quadratic function in "vertex form", which allows you to see that its minimum value of

Here's the graph:

graph{(x+6)(x+4) [-20, 20, -10, 10]}