Interval Notation Practice

Express the following in Interval Notation
-9 < x ≤ -4

• [-9, -4]
• (-9,-4]
• [-9, -4]
• (-9,-4)

Tags

CCSS.6.EE.B.8

Express the following in Interval Notation
-9 < x < -8.5

• [-9, -8.5]
• [-9, -8.5)
• (-9, -8.5]
• (-9, -8.5)

Look at the graph. Write the inequality in interval notation.

• (-2,5)
• (-∞,-2)⋃(5,∞)
• [-2,5]
• (-∞,-2]∪[5,∞)

Write the following in interval notation
 x < 8

• (8, ∞)
• (8, -∞)
• (-∞, 8)
• [-∞, 8]

Tags

CCSS.6.EE.B.8

Write the following in interval notation
x < 3 or x ≥ 5

• (3, -∞) or (∞, 5]
• [-∞, 3) or [5, ∞]
• (-∞, 3) or [5, ∞)
• (3, -∞] or [∞, 5]

Look at the Graph. Write the inequality in interval notation.

• [-4, -1)
• (-4, -1)
• (-4, -1]
• [-4, -1]

Look at the picture. Which number line corresponds to [-2, 5]?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

Tags

CCSS.6.EE.B.8

Look at the picture. Which graph best represents the solution set (-∞, -2) U (5, ∞)?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

Look at the picture. Select the correct interval notation for the given number line.

• (-∞, -8) U (-4, ∞)
• (-∞, -8] U [-4, ∞)
• (-8, -4)
• [-8, -4]

Which of the following numbers is not in the interval (3, 9]?

• 3

• 3.14

• 7

• 9