The equation of a circle is (x - h)^2 + (y - k)^2 = r^2
h is the x value of the origin of the circle, k is the y value of the origin of the circle, and r is the radius (half of the distance across the center of the circle)
(x - -1)^2 + (y - 2)^2 = 5^2
Answer: (x + 1)^2 + (y - 2)^2 = 25
