# How do you find the vertex of # f(x)= -x^2-6x-5#?

##### 1 Answer

Jun 2, 2015

**First, find the x value of the vertex with the following formula:**

**In your function, the values are:**

**Plugging those values:**

**Now you do #f(x_v)#, which is equal to the y value of the vertex** (

**Your vertex is**