Find the center and radius of the circle with equation: ( x+3)^2 + ( y- 1)^2 = 16

Answer 1

The equation (x + 3)² + (y - 1)² = 16

(x + 3)² + (y - 1)² = 4²

[x - (-3)]² + (y - 1)² = 4²

Compare it to standard form of circle (x - h)² + (y - k)² = r²

Where (h,k) is center and r is radius of circle.

Center is (-3, 1) and radius is 4.