# What is the vertex form of the equation of the parabola with a focus at (20,29) and a directrix of #y=37 #?

##### 1 Answer

May 30, 2016

#### Explanation:

Let their be a point

and its distance from directrix

Hence equation would be

or

or

or

graph{x^2-40x+16y-128=0 [-56.3, 103.7, -35.5, 44.5]}