9000091201 Level: AConsider the circle \(k\colon x^{2} - 4x + y^{2} + 6y + 12 = 0\). Find the radius of the circle.\(1\)\(2\)\(3\)\(4\)
9000091202 Level: AConsider the circle \(k\colon x^{2} + 6x + y^{2} + 2y + 6 = 0\). Find the radius of the circle.\(2\)\(\sqrt{2}\)\(3\)\(4\)
9000091204 Level: AConsider the circle \(k\colon x^{2} + 4x + y^{2} - 8y + 11 = 0\). Find the radius of the circle.\(3\)\(1\)\(2\)\(4\)
9000091205 Level: AConsider the circle \(k\colon x^{2} - 10x + y^{2} + 10y + 34 = 0\). Find the radius of the circle.\(4\)\(2\)\(3\)\(1\)
9000091206 Level: AConsider the circle \(k\colon x^{2} - 4x + y^{2} + 6y + 11 = 0\). Find the center of the circle.\(S = [2;-3]\)\(S = [2;3]\)\(S = [-2;3]\)\(S = [-2;-3]\)
9000091207 Level: AConsider the circle \(k\colon x^{2} - 6x + y^{2} + 2y + 6 = 0\). Find the center of the circle.\(S = [3;-1]\)\(S = [-3;-1]\)\(S = [3;1]\)\(S = [-3;1]\)
9000097005 Level: BConsider the parabola \((x - 5)^{2} = -8(y - 3)\). Find the vertex of this parabola.\([5;3]\)\([3;5]\)\([5;-4]\)\([-4;3]\)
9000091208 Level: AConsider the circle \(k\colon x^{2} + 2x + y^{2} - 4y + 2 = 0\). Find the center of the circle.\(S = [-1;2]\)\(S = [-1;-2]\)\(S = [1;-2]\)\(S = [1;2]\)
9000097008 Level: BConsider the parabola \((y - 2)^{2} = -12(x + 1)\). Find the vertex of this parabola.\([-1;2]\)\([2;-1]\)\([2;-6]\)\([-6;-1]\)
9000091209 Level: AConsider the circle \(k\colon x^{2} - 6x + y^{2} + 4y + 9 = 0\). Find the center of the circle.\(S = [3;-2]\)\(S = [-3;-2]\)\(S = [3;2]\)\(S = [-3;2]\)