9000091203 Level: AConsider the circle \(x^{2} - 2x + y^{2} - 6y + 8 = 0\). Find the radius of the circle.\(\sqrt{2}\)\(2\)\(3\)\(4\)
9000091206 Level: AConsider the circle \(k\colon x^{2} - 4x + y^{2} + 6y + 11 = 0\). Find the center of the circle.\(S = [2,-3]\)\(S = [2,3]\)\(S = [-2,3]\)\(S = [-2,-3]\)
