Compound Inequalities #2

Which inequality represents the phrase all real numbers that are greater than -7 and less than -4?

• -7 < n > -4
• n < -4
• -7 < n < -4
• n > -7 or n < -4

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

What are the solutions of
8 ≤ x + 2 < 12?

• x ≥ 6
• 6 ≤ x < 10
• 10 ≤ x ≤ 14
• x < 10

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

What are the solutions of
3d - 4 < -10
or
2d + 7 ≥ 9 ?

• d > -2
• d ≤ 1
• -2 < d ≤ 1
• d < -2 or d ≥ 1

Which compound inequality represents the graph shown?

• 7d + 1 > 0
• 7d + 1 < 1 or 7d + 1 ≥ 15
• 1 < 7d + 1 ≤ 15
• 1 ≤ 7d + 1 < 15

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

CCSS.HSA.REI.D.12

A teacher knows that 80% of her students will score no more than 5 points above or below the class average score of 85% on the test. Which inequality represents the scores of 80% of her students?

• 75 < A < 85
• 85 ≤ A ≤ 90
• 80 < A < 90
• 80 ≤ A ≤ 90

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

Which interval notation represents the set of all numbers greater than or equal to 2 and less than 20?

• (2, 20)
• (2, 20]
• [2, 20)
• [2, 20]

Tags

CCSS.HSA.REI.B.3

Which interval represents the graph shown?

• (-∞, 0) or [2, ∞)
• [0, 2)
• (0, 2]
• (-∞, 0) and [2, ∞)

Which interval represents all real numbers greater than or equal to -3 ?

• (-3, ∞)
• (-∞, -3]
• [-3, ∞]
• [-3, ∞)