Center (7,-9); radius 3

The general form for a circle is (x - h) ^2 + (y - k) ^2 = r^2, where (h, k) represent the centre and r represent the radius.

With centre (7, - 9) and radius 3, we can simply substitute it into our form:

(x - 7) ^2 + (y + 9) ^2 = 3^2

(x - 7) ^2 + (y + 9) ^2 = 9