# How do you find an equation of the parabola with focus (2,2) and directrix x=-2?

##### 1 Answer

May 17, 2017

#### Explanation:

The key to solving this problem is knowing all your relevant equations. The formula for a parabola in vertex form is:

Vertex:

Focus:

Directrix:

Notice we chose the version that squares the

You are given the focus of

So

You are also given the directrix

We already determined that

Plugging these values back into the original equation gives