Find the Center and the Radius of the Sphere That $$x ^ { 2 } + y ^ { 2 } + z ^ { 2 } - 2 x + 6 y = 0$$

Short Answer

Find the center and the radius of the sphere that has the given equation.
$$x ^ { 2 } + y ^ { 2 } + z ^ { 2 } - 2 x + 6 y = 0$$