Set Builder Notation
Interval Notation
Facts/Graphs
Interval Notation
Set Builder Notation
100

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

{x|3 ≤ x ≤ 5}

100

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

[-8,8)

100

When graphing b< 6 would you use an open or closed circle?

Open

100

Write the following in interval notation
{x| x < 8}

(-∞, 8)

100

Write the following solution in set builder notation: 

x ≥ -2

{ x | x ≥ -2 }

200

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

{x|-7 < x ≤ 15}

200

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

(-9,-4]

200

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

> or <

( ) Parentheses

200

Write the following in interval notation
{x|x ≥ 100}

[100, ∞)

200

Write the following solution in set builder notation:

y > 10

{ y | y > 10 }

300

Express the following interval in Set notation:
[14.2, 19.6)

{x|14.2 ≤ x < 19.6}

300

Express the following in Interval Notation
{x|-9 < x < -8.5}

(-9, -8.5)

300

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

or ≤ or ≥

[] Brackets
300

Write the following solution in interval notation:

x ≥ -3

[ -3, ∞ )

300

Write each given set in the Set-Builder Form: 

[-Tuesday, Thursday)

{x| -Tuesday< x< Thursday}

400

Express the following interval in Set notation:
(-63, -62)

{x|-63 < x < -62}

400

Write the following in interval notation
{x|-7 ≤ x < 8}

[-7, 8)

400

Look at the picture. Which number line corresponds to [-2, 5]?

Graph 4

400

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

[-4, -1)

400

Express the following interval in Set notation:
[-1, 10)

{x|-1 ≤ x < 10}

500

(-2,12) can be written in set notation as:

{x|-2 < x <12}

500

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

(-∞,-2)⋃(5,∞)

500

Look at the picture. Which graph best represents the solution set (-∞, -2) U (5, ∞)?

Graph 1

500

Write the following in interval notation
{x|x < 3 or x ≥ 5}

(-∞, 3) or [5, ∞)

500

Write the set of numbers inset-builder notation.
(22, 98]

{x ∣ 22 < x ≤ 98 }