Basic Inequalities

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

Front

What does the symbol '≥' mean?

Back

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

Front

What does the symbol '≤' mean?

Back

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

Front

What does the symbol '<' mean?

Back

The symbol '<' means 'less than'.

Front

What does the symbol '>' mean?

Back

The symbol '>' means 'greater than'.

Front

How do you graph the inequality r ≥ -6?

Back

You graph it by placing a closed dot on -6 and shading to the right.

Front

How do you graph the inequality k < 3?

Back

You graph it by placing an open dot on 3 and shading to the left.

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 > -2?

Back

A closed dot is used when graphing x > -2.

Front

What is the difference between an open dot and a closed dot in graphing inequalities?

Back

An open dot indicates that the number is not included (e.g., < or >), while a closed dot indicates that the number is included (e.g., ≤ or ≥).