Interval Notation

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

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

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 < -8.5

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

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

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

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

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

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

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

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

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

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.12

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]

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

Write the following in interval notation
x > 6 and x ≤ 10

• (-∞, 6) and (10, ∞)
• [6, 10)
• (-∞, 6] and [10, ∞)
• (6, 10]

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

Write the following in interval notation
x ≥ 100

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

Tags

CCSS.6.EE.B.8