8
The center and the radius of the circle with equation (x - 3)^2 + (y + 1)^2 = 81 is center (3, -1), radius = 9
Added 7/23/2014 3:08:28 AM
This answer has been confirmed as correct and helpful.
8
The center and the radius of the circle with equation x^2 + (y - 5)^2= 9 is center (0, 5), radius = 3.
Added 7/23/2014 3:08:58 AM
This answer has been confirmed as correct and helpful.