Question

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

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

Answer 1

The answer is C.

Explanation:

The equation of a circle, centre (a, b), radius r is given by (x - a)² + (y - b)² = r².