Inequalities

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using symbols such as <, >, ≤, or ≥.

Front

What does the symbol '>' mean in an inequality?

Back

The symbol '>' means 'greater than'. For example, x > 5 means x is greater than 5.

Front

What does the symbol '<' mean in an inequality?

Back

The symbol '<' means 'less than'. For example, y < 10 means y is less than 10.

Front

What does the symbol '≥' mean in an inequality?

Back

The symbol '≥' means 'greater than or equal to'. For example, z ≥ 3 means z is greater than or equal to 3.

Front

What does the symbol '≤' mean in an inequality?

Back

The symbol '≤' means 'less than or equal to'. For example, a ≤ 8 means a is less than or equal to 8.

Front

How do you represent 'at least' in an inequality?

Back

'At least' is represented by the symbol '≥'. For example, 'at least 10' is written as x ≥ 10.

Front

How do you represent 'less than' in an inequality?

Back

'Less than' is represented by the symbol '<'. For example, 'less than 5' is written as y < 5.

Front

What type of dot is used when graphing 'x ≥ 4'?

Back

A closed dot is used when graphing 'x ≥ 4' to indicate that 4 is included.

Front

What type of dot is used when graphing 'x < 3'?

Back

An open dot is used when graphing 'x < 3' to indicate that 3 is not included.

Front

How do you graph the inequality 'x > 2'?

Back

Graph an open dot at 2 and shade to the right to indicate all numbers greater than 2.