How do you find the radius of a circle with the equation x^2 + y^2 - 6x - 12y + 36 = 0?
1 Answer
Dec 16, 2015
Convert the equation to the general form for a circle
Explanation:
Given:
Group
Complete each of the
Rewrite as a sum of squared binomials equal to a square
This is the general form of a circle with center
graph{x^2+y^2-6x-12y+36=0 [-3.07, 9.42, 2.885, 9.13]}