Solving Quadratic Inequalities

Which of the following is the solution of the given Quadratic Inequality?

• x < -5 or x > -4

• x > -5 or x < -4

• x < 5 or x > 4

• x > 5 or x < 4

x² - 9x - 112 ≥ 0

• -7 < x < 16

• -7 ≤ x ≤ 16

• x < -7 or x > 16

• x ≤ -7 or x ≥ 16

Which of the following is the solution of the given Quadratic Inequality?

• x > 14 or x < -8

• x < 14 or x > -8

• x > -14 or x < 8

• x < -14 or x > 8

Which of the following is the solution of the given Quadratic Inequality?

• -4 < a < 2

• -4 < a < -2

• 4 > a > 2

• 4 > a > -2

Which of the following is the solution of the given Quadratic Inequality?

• -4 ≤ d ≤ -3/2

• 3/2 ≤ d ≤ 4

• -4 ≤ d ≤ 3/2

• 4 ≥ d ≥ 3/2

2x² + 5x ≥ 12

• [-4, 3/2]

• (−∞, -4) U (3/2, ∞)

• (−∞, -4] U [3/2, ∞)

• no solution

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Which of the following is the solution of the given Quadratic Inequality?

• b ≥ -2 or b ≤ -1

• b ≤ -2 or b ≥ -1

• b ≥ 2 or b ≤ 1

• b ≤ 2 or b ≥ 1