Question

I REALLY NEED HELP WITH MY GEOMETRY PLEASE HELP
The equation of the circle with center (3, -2) and radius 7 is:

Answer 1

An equation of a circle:

(x - a)² + (y - b)² = r²

(a; b) - a coordinates of a center
r - a radius

r = 7; (3; -2) ⇒ a = 3 and b = -2

subtitute

(x - 3)² + (y - (-2))² = 7²

Answer: (x - 3)² + (y + 2)² = 49