Question

What is the equation of the circle shown below?

Answer 1

( x+2)^2 + ( y+2) ^2 = 9

Explanation:

The center is at (-2,-2)

The radius is 3 which is the number of units from the center to the circles edge

The equation of a circle can be written as

( x-h) ^2 + (y-k) ^2 = r^2 where ( h,k) is the center and r is the radius

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

( x+2)^2 + ( y+2) ^2 = 9