Question

Identify the center and radius of the circle
(x-5)^2+(y+1)^2=4

Answer 1

A. Center: (-5, 1), r = 4
B. Center: (5, -1), r = 2
C. Center: (5, -1), r = 4
D. Center: (-5, 1), r = 2

Answer 2

It's B.
(x-h)^2+(y-k)^2=r^2
(h,k) = center
r^2 = radius

Answer 3

Ah, I see! Thank you for the help! (:

Answer 4

No problem. ^^