# How do you find the center and radius for #x^2 - 3x + y^2 - 3y - 20 = 0#?

##### 1 Answer

Jul 28, 2018

The center is

#### Explanation:

The standard equation of a circle is

where

The center is

Here, we have

Complete the square for

The center is

graph{x^2-3x+y^2-3y-20=0 [-16.35, 15.68, -4.36, 11.66]}