Writing 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 ≤ 15 means x is less than or equal to 15.

Front

How do you represent 'x is less than 24' in inequality form?

Back

x < 24.

Front

How do you represent 'Edith must read for a minimum of 20 minutes every night' in inequality form?

Back

x ≥ 20.

Front

When graphing the inequality x < 6, what type of circle is used?

Back

An open circle is used.

Front

When graphing the inequality x ≥ 48, what type of circle is used?

Back

A closed circle is used.

Front

What is the difference between an open circle and a closed circle on a number line?

Back

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