Answer: d) (-1, 0); 2
Step-by-step explanation:
The equation of a circle is: (x - h)² + (y - k)² = r²
(x +1)² + y² = 4 can be rewritten as: (x - (-1))² + (y - 0)² = 2²
→ (h, k) = (-1, 0)
→ r = 2
