Inequality Notation

1
Inequality Notation
2
Inequality Notation
lt gt

• Less than (not included)
• Greater than (not included)
• less than or equal (included)
• greater than or equal (included)

Open Dot and Parentheses ( )
Closed Dot and Brackets
3
Example Inequalities

• Graphically and algebraically represent the
  following
• All real numbers greater than 11
• Graph
• Symbolic

10 11 12
OR
4
Example Inequalities

• Describe and algebraically represent the
  following
• Description
• Symbolic

-6 -5 -4
All real numbers less than or equal to -5
OR
5
Example Inequalities

• Describe and graphically represent the following
• Description
• Graph

OR
All real numbers greater than or equal to 1 and
less than 5
1 3 5
6
Example Inequalities

• Graphically and algebraically represent the
  following
• All real numbers less than -2 or greater than 4
• Graph
• Symbolic

-2 1 4
OR