# How to find the standard form of the equation of the specified circle given that it Passes through points A(-1,3) y B (7,-1) and it center is on line 2x+y-11=0?

##### 1 Answer

Aug 8, 2016

#### Explanation:

Let the coordinate of the center of the circle be

**So the equation of the circle is**

By the given condition its center lies on the straight line

So

Again

Subtracting (2) from (1) we get

putting the value of b in (2)

Radius of the circle

So equation of the circle