Interval Notation

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

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

Tags

CCSS.6.EE.B.8

Write the following in interval notation
 x < 8

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

Tags

CCSS.6.EE.B.8

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

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

When graphing b< 6 would you use an open or closed circle?

• open
• closed

Tags

CCSS.6.EE.B.8

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

Can you use the symbols "[" or "]"

with infinity?

• Yes

• No

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

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

• 3

• 3.14

• 7

• 9

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

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

Express the following interval in Set notation:
(-7, 15]

• -7 ≤ x ≤ 15
• -7 < x ≤ 15
• -7 ≤ x < 15
• -7 < x < 15

Write the inequality in interval notation. x > -1

• (-∞, -1)
• (-1, ∞]
• (-∞, -1]
• (-1, ∞) 

Tags

CCSS.6.EE.B.8