Solving Inequalities with Interval Notation

Write the following solution in interval notation:

z < 20

• ( -∞ , -20 )

• ( 20,∞)

• ( -∞ , 20)

• ( -∞ , 20]

Select the inequality shown

• { x I x > 5}

• { x I x ≥ 5}

• { x I x < 5}

• { x I x ≤ 5}

Select the inequality shown

• ( -6 , -3 )

Which number line shows the solution to: 11x + 14 < –8? 

• a

• b

• c

• d

What interval notation does the number line graph represent?

• [∞, -5)

• (∞, -5)

• [-5, ∞)

• (-5, ∞)

Select the inequality shown

Solve the inequality and graph its solution.

• 
• 
• 
• 

What interval notation does the number line graph represent?

• [∞, -5)

• (∞, -5)

• [-5, ∞)

• (-5, ∞)

Write the following in interval notation

x < 8

• [8, ∞)

• (8, -∞)

• (-∞, 8]

• (-∞, 8)

Express the following in Interval Notation
-8 ≤ x < 8

• [-8, 8]

• [-8,8)

• (-8, 8]

• (-8, 8)