Answer:
The center is (-3, -2) and the radius is 2.
Explanation:
x² + 6x + y² + 4y + 10 = 1
x² + 6x + y² + 4y = -9
Complete the squares.
x² + 6x + 9 + y² + 4y + 4 = -9 + 9 + 4
(x + 3)² + (y + 2)² = 4
(x + 3)² + (y + 2)² = 2²
The center is (-3, -2) and the radius is 2.