Interval Notation Warm-up

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 ≥ 100

• (0, 100]  (Real quick)
• (∞, 100]
• [100, ∞)
• (∞, 100)

Tags

CCSS.6.EE.B.8

What interval notation does the number line graph represent?

• [∞, -5)

• (∞, -5)

• [-5, ∞)

• (-5, ∞)

Tags

CCSS.6.EE.B.8

Would you use a closed or open circle to graph x < 3?

• Closed
• Open

Tags

CCSS.6.EE.B.8

Write the following solution in interval notation:

z < 20

• [-∞ , 20 )

• ( 20,∞)

• ( -∞ , 20)

• ( -∞ , 20]

Tags

CCSS.6.EE.B.8

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 ≤ -4

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

Tags

CCSS.6.EE.B.8

Express the following interval in Set notation:
[3, 5]

• 3 ≤ x ≤ 5
• 3 < x ≤ 5
• 3 ≤ x < 5
• 3 < x < 5

Tags

CCSS.HSA.CED.A.3

Write the inequality in interval notation.

• [-4, -1)

• (-4, -1)

• (-4, -1]

• [-4, -1]

Look at the graph. Write the interval notation for the graph.

• (-2,5)

• (-∞,-2)⋃(5,∞)

• [-2,5]

• (-∞,-2]∪[5,∞)