Please help with problem

Question

find the equation of the circle with radius 2 and (-2, -1)

Answer 1

(x+2)^2 + (y+1)^2 = 4

the general equation for a circle with radius = r and center (h,k) is: (x-h)^2 + (y-k)^2 = r^2. Here, r=2, (h,k) = (-2,-1)