Write and Graph 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, x < 3 means x is less than 3.

Front

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

Back

The symbol '≥' means 'greater than or equal to.' For example, x ≥ 10 means x is greater than or equal to 10.

Front

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

Back

The symbol '≤' means 'less than or equal to.' For example, x ≤ 4 means x is less than or equal to 4.

Front

How do you represent 'more than 100' in an inequality?

Back

You represent 'more than 100' as x > 100.

Front

How do you represent 'at least 13' in an inequality?

Back

You represent 'at least 13' as x ≥ 13.

Front

When graphing the inequality x < 5, what type of circle is used?

Back

An open circle is used when graphing x < 5.

Front

When graphing the inequality x ≥ 7, what type of circle is used?

Back

A closed circle is used when graphing x ≥ 7.

Front

If the inequality is x ≤ 9, which direction does the arrow point on the number line?

Back

The arrow points to the left on the number line.