Question

Write the standard equation of a circle with center (-2, -1) and radius 2.

Answer 1

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

Explanation:

(x-h)^2+(y-k)^2=r^2 is the standard equation for a circle

Plug in point at (h,k) Negative points= positive in equation due to (x-h),(y-k) All equal to radius squared