Question 11 (5 points) Solve the system of equations algebraically. 4x - 4y = -48 5x - 6y = -65 no solution O ( - 6, 4 ) many solutions O ( - 7. 5 ) Question 12 (5 points) Solve x' + 4x + 3 = 0 by completing the square. -6, -1 ()-3,-1 1,3 O - 6. - 2Question 9 {5 points) Simplify the expression (3 3f)3 by performing operations with pure imaginary numbers and complex numbers. 0 2? +215: Question 10 (5 points} Consider the quadratic function x) = 2r2 + 4x + 2. Find the yintercept and the equation of the axis of symmetry. The y-iutercept is 2. The equation of the axis of symmetry is x = 1. The y-iutercept is 2. The equation of the axis of symmetry is x = 1_ The y-mtercept is 1_ The equation of the axis of symmetry is x = 2. The y-iutercept is 1. The equation of the axis of symmetry is x = 2