Quadratic Inequalities

Which inequality is shown?

• y< -x²
• y≤ -x²
• y> -x²
• y≥ -x²

Tags

CCSS.HSF-IF.C.7A

Solve: 5x - 10x² < 0

• (0, ½)

• [0, ½]

• (−∞, 0) U (½, ∞)

• (- ½ , 0)

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.4

Which inequality is represented by the graph?

• y > (x - 3)² - 3

• y ≥ (x + 3)² - 3

• y > (x + 3)² - 3

• y ≥ (x - 3)² - 3

Tags

CCSS.HSF-IF.C.7A

• y ≥ -(x + 4)² + 1
• y < -(x - 4)² + 1
• y ≤ (x - 4)² + 1
• y ≤ -(x - 4)² + 1

Tags

CCSS.HSF-IF.C.7A

Which inequality is represented by the graph?

• y > -(x - 4)² + 1

• y > -(x - 1)² + 4

• y < (x - 4)² + 1

• y > (x + 4)² + 1

Tags

CCSS.HSF-IF.C.7A

Solve:

3x - x² > 0

• (−∞, 0) U (3, ∞)

• (−∞, - 3) U (0, ∞)

• (-3, 0)

• (0, 3)

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

(2,2) is a solution to the inequality 2x-6y>x²+4x-8

• True
• False

Tags

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.12

6x² - 54 ≤ 0

• -3 ≤ x ≤ 3
• x ≤ -3 or x ≥ 3
• -3 < x < 3
• x < -3 or x > 3

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

5x² + 10x + 7 ≥ 0

• no solution
• all reals
• x ≤ 5 or x ≥ 7
• 5 ≤ x ≤ 7

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

-3x² + 6x - 3 > 0

• no solution
• all reals
• x = 1
• x ≠ 1

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4