Intro to Inequalities

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using inequality 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 the inequality 'x is at least 5' in symbols?

Back

x ≥ 5.

Front

How do you represent the inequality 'x is less than 8' in symbols?

Back

x < 8.

Front

What type of circle is used to represent 'x > 5' on a number line?

Back

An open circle is used to represent 'x > 5'.

Front

What type of circle is used to represent 'x ≥ 5' on a number line?

Back

A closed circle is used to represent 'x ≥ 5'.

Front

If you graph the inequality x ≤ 9, which direction does the arrow point?

Back

The arrow points to the left.