Answer:
D
Step-by-step explanation:
The equation of a circle in standard form is
(x - h)² + (y - k)² = r²
where (h, k) are the coordinates of the centre and r is the radius
Here (h, k) = (- 3, 1 ) and r = 2, thus
(x - (- 3))² + (y - 1)² = 2² , that is
(x + 3)² + (y - 1)² = 4 → D
