Basic 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 'less than'.

Front

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

Back

The symbol '>' means 'greater than'.

Front

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

Back

The symbol '≤' means 'less than or equal to'.

Front

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

Back

The symbol '≥' means 'greater than or equal to'.

Front

How do you graph the inequality k < 3?

Back

You draw a number line, place an open dot at 3, and shade to the left.

Front

How do you graph the inequality r ≥ -6?

Back

You draw a number line, place a closed dot at -6, and shade to the right.

Front

What does the inequality 'x > 5' mean?

Back

It means that x is any number greater than 5.

Front

What does the inequality 'x < 2' mean?

Back

It means that x is any number less than 2.

Front

When do you use a closed dot on a graph of an inequality?

Back

You use a closed dot when the inequality includes ≤ or ≥.