BrainMass Quizzes Solving quadratic inequalities This quiz test you on how well you are familiar with solving quadratic inequalities. 1 Solve the inequality x^2 - 3x -10 ≥ 0 (-∞, -2) U (5, ∞ ) (-2, 5) U (-∞, -2) (-∞, -2) U (2, ∞) (-2, 5) U (5, ∞ ) (∞, -2) U (5, ∞) 2 Solve the inequality x^2 + 2x - 8 < 0 (-∞, -4) (2, ∞ ) (-4, 2) (-4, ∞) (-∞, ∞) 3 Solve the inequality x^2 - 4x -12 > 0 (-∞,-2) U (-2, 6) (-4, 6) U (2, ∞ ) (-2, 6) U (2, ∞ ) (-2, 6) U (6, ∞) (-∞,-2) U (6, ∞) 4 Solve the inequality x^2 + x -30 ≤ 0 (-6, 5) (-6, ∞ ) (5, ∞ ) (-∞,-6) (-5, 6) 5 Solve the inequality x^2 + x -20 ≥ 0 (-∞,-5) U (-5, 4) (-∞,-5) U (4, ∞ ) (-∞,-5) U (4, ∞ ) (-5, 4) U (4, ∞ ) (-∞,5) U (-4, ∞ ) Submit Quiz