Question

What is the equation of a circle with a center at (-3, -4) and a radius of 3?

Answer 1

It is: `(x+3)^2+(y+4)^2=9`

Explanation:

The equatyion of a circle whose center is at `C=(a,b)` and radius is `r` is:

`(x-a)^2+(y-b)^2=r^2`