Solving Algebraically Quadratic Inequalities

2x² + 5x ≥ 12

• [-4, 1.5]

• (−∞, -4) U (1.5, ∞)

• (−∞, -4] U [1.5, ∞)

• no solution

Identify the 'a' value:
 y = 16x² - 8x - 24

• 16

• 8

• -8

• -24

The discriminant is

• ax²  + bx  +  c

• b - 4ac

• b² - 4ac

• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

• (-2,6)

• [-2,6]

• (-6, 2)

• [-6, 2)

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

• y ≥ -2 or y ≤ -5/2

• y ≤ -2 or y ≥ -5/2

• y ≥ 2 or y ≤ 5/2

• y ≤ 2 or y ≥ 5/2

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?

• b ≥ -2 or b ≤ -1

• b ≤ -2 or b ≥ -1

• b ≥ 2 or b ≤ 1

• b ≤ 2 or b ≥ 1

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

• -4 < a < 2

• -4 < a < -2

• 4 > a > 2

• 4 > a > -2

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