Area of Circles
what is the center of the circle (x - 6)2 + (y + 5)2 = 36
center: (6, -5)
What is the radius of the circle (x + 1)2 + y2 = 15
(round to the nearest tenth)
radius: 3.9
what is the equation of the circle with a center at (7, -9) and a radius of 2.5?
(x - 7)2 + (y + 9)2 = 6.25
what is the equation of a circle with a center at (0, 13) and a diameter of 19?
(x - 10)2 + (y - 7)2 = 49