# How do you write the equation #x^2+y^2+8x-10y-1=0# in standard form and find the center and radius?

##### 1 Answer

Feb 11, 2018

Standard form of equation of a circle is

#### Explanation:

or

or

or

This is the standard form of equation of a circle and

indicates that the point

Hence, center of circle is

graph{x^2+y^2+8x-10y-1=0 [-18, 10, -2, 12]}