What is the center and radius of the circle with the given equation?

Question

(x – 1)2 + (y + 1)2 = 4
(1 point)
Responses

center (–1, 1); radius 4
center (–1, 1); radius 4

center (1, –1); radius 4
center (1, –1); radius 4

center (–1, 1); radius 2
center (–1, 1); radius 2

center (1, –1); radius 2

Answer 1

The correct answer is:
center (1, -1); radius 2