Question

Circle P has a radius of 8 units with center P at (2, -1). Which equation defines circle P?

Answer 1

\[
(x-h)^2 + (y-k)^2 = r^2
\]

Answer 2

\[(x-h)^2 + (y-k)^2 = r^2\\
(x-2)^2 + (y-(-1))^2 = 8^2\\
(x-2)^2 + (y+1))^2 = 64
\]

Answer 3

Thank you!