The center of a circle is at (-3, 1) and its radius is 9.

Last updated: 7/12/2022

The center of a circle is at (-3, 1) and its radius is 9. What is the equation of the circle? (x + 3)² + (y - 1)² = 81 (x+3)² + (y − 1)² = 18 (x − 3)² + (y + 1)² = 18 (x − 3)² + (y + 1)² = 81