Set builder notation and interval notation

When writing a solution in interval notation, what brackets do i use for:

> or <

• [ ]

• ( )

When writing in interval notation, what kind of brackets do I use for:

or ≤ or ≥

• [ ]

• ( )

Write the following solution in interval notation:

x ≥ -3

• [ -3, ∞ )

• ( -3, ∞ )

• ( -∞ , -3 )

• ( -∞ , -3]

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Write the following solution in interval notation:

z < 20

• ( -∞ , 20 )

• ( 20,∞)

• ( -∞ , 20)

• ( -∞ , 20]

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

When graphing an inequality solution, what type of circle do I draw for the symbol:

> or <

• open circle

• closed circle

Tags

CCSS.HSA.REI.D.12

Given:

x ≤ -10

Is -25 a solution?

• Yes, it is a solution.

• No, it is not a solution.

Tags

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

Given:

x > 15

Is -25 a solution?

• Yes, it is a solution.

• No, it is not a solution.

Tags

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

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

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

Tags

CCSS.HSA.REI.B.3

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.

• [-4, -1)
• (-4, -1)
• (-4, -1]
• [-4, -1]

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.12