Set Notation and Interval Notation

Express the following in Interval Notation
{ x  | -8 ≤ x < 8 }

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

Tags

CCSS.HSA.REI.B.3

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

• { x  | 3 ≤ x ≤ 5 }
• { x  | 3 < x ≤ 5 }
• { x  | 3 ≤ x < 5 }
• { x | 3 < x < 5 }

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

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

• { x | -7 ≤ x ≤ 15 }
• { x | -7 < x ≤ 15 }
• { x | -7 ≤ x < 15 }
• { x | -7 < x < 15 }

Write the following in interval notation
x ≥ 100

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

Tags

CCSS.6.EE.B.8

Write the following in interval notation
 x < 8

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

Tags

CCSS.6.EE.B.8

Can you use the symbols [ or ]
with infinity?

• Yes
• No

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

Is this sometimes, always or never true?
A number that is a solution of the inequality x > 5 is also a solution of the inequality x > 5.

• sometimes true
• always true
• Never true

Write the inequality in interval notation. x > -1

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

Tags

CCSS.6.EE.B.8

Write the inequality in interval notation  -3≤ x < 4. 

• (-3, 4]
• [-3, 4)
• (4, -3]
• (-3, 4)

Tags

CCSS.6.EE.B.8