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 'less than'. For example, x < 5 means x is less than 5.

Front

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

Back

The symbol '>' means 'greater than'. For example, x > 3 means x is greater than 3.

Front

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

Back

The symbol '≤' means 'less than or equal to'. For example, x ≤ 10 means x is less than or equal to 10.

Front

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

Back

The symbol '≥' means 'greater than or equal to'. For example, x ≥ 2 means x is greater than or equal to 2.

Front

How do you represent 'fewer than 20' in an inequality?

Back

You represent 'fewer than 20' as x < 20.

Front

How do you represent 'at least 48 inches tall' in an inequality?

Back

You represent 'at least 48 inches tall' as h ≥ 48.

Front

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

Back

An OPEN dot is used when graphing x < 3.

Front

What type of dot is used when graphing x ≤ 3?

Back

A CLOSED dot is used when graphing x ≤ 3.

Front

How do you graph the inequality b ≤ -2?

Back

You graph b ≤ -2 with a closed dot at -2 and shade to the left.