Interval Notation (Strickland Alg 1)

Write the following in interval notation
 x < 8

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

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Write the following in interval notation
x ≥ 100

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

Tags

CCSS.HSA.CED.A.1

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

What interval notation does the number line graph represent?

• [∞, -5)

• (∞, -5)

• [-5, ∞)

• (-5, ∞)

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

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

• Closed
• Open

Tags

CCSS.HSA.REI.D.12

Write the interval notation for the graph?

• [-3, 2)

• -3<x<2

• (-∞, -3] U (2, ∞)

• x > 2 or x < -3

Tags

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.12

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

> or <

• [ ]

• ( )

Tags

CCSS.HSA.REI.B.3

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

or ≤ or ≥

• [ ]

• ( )

Tags

CCSS.HSA.REI.B.3

Write the following solution in interval notation:

z < 20

• [-∞ , 20 )

• ( 20,∞)

• ( -∞ , 20)

• ( -∞ , 20]

Express the following in Interval Notation
-9 < x ≤ -4

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

Tags

CCSS.HSA.REI.B.3