Extra Credit for Friday Test

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8
• x ≥ 18
• x ≤ 8 
• x ≤ 18 

Tags

CCSS.7.EE.B.4B

Which inequality matches the graph?

• A
• B
• C
• D

Tags

CCSS.6.EE.B.8

What is the domain of the graph?

• -3 ≤ x ≤ 3
• 3 ≤ x ≤ -3
• -2 ≤ x ≤ 10
• -3 ≤ x ≤ 10

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the range of the graph?

• -2 < y < 10
• -3 < x < 3
• -2 ≤ y ≤ 10
• -3≤ x ≤ 3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain of the function?

• {x| x = all real numbers}
• {x| -2 < x < 4}
• {x| -2 ≤ x ≤ 4}
• {x| -6 ≤ x ≤ 3}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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

8x + 140 > 4x^{2
hint: put squared term on the LEFT!}

• -5 < x < 7
• -3 ≤ x ≤ 12
• 4 < x < 15
• -2 < x < 10

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.REI.B.4

2x² + 9x - 143 < 0

• -11 < x < 6.5
• -11 ≤ x ≤ 6.5
• no solution
• all reals

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

-3x² + 45 ≥ 6x

• -5 < x < 3
• -5 ≤ x ≤ 3
• x < -5 or x > 3
• x ≤ -5 or x ≥ 3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4