intervals

Write the following in interval notation

x < 8

• [8, ∞)

• (8, -∞)

• (-∞, 8]

• (-∞, 8)

What interval notation does the number line graph represent?

• [∞, -5)

• (∞, -5)

• [-5, ∞)

• (-5, ∞)

Write the following in interval notation
x ≥ 100

• (0, 100]  

• (∞, 100]
• [100, ∞)
• (∞, 100)

• [0, 3]

• (0, 3)

• [0, 3)

• (0, 3]

• (-1, 4)

• [-1, 4]

• (-1, 4]

• [-1, 4)

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

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

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