Question

Write equation of the circle with center c(-1, 5) and radius 3

Answer 1

(x+1)^2 + (y-5)^2 = 9

Explanation:

center = (h, k)

(x-h)^2 + (y-k)^2 = r^2

(x-(-1))^2 + (y-5)^2 = (3)^2

(x+1)^2 + (y-5)^2 = 9