Adding and Subtracting 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 equal to the other.

Front

What does the symbol '>' mean?

Back

The symbol '>' means 'greater than'.

Front

What does the symbol '<' mean?

Back

The symbol '<' means 'less than'.

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

How do you solve the inequality 6 > x + 5?

Back

Subtract 5 from both sides to get x < 1.

Front

What is the solution to the inequality 15 > 5 + z?

Back

Subtract 5 from both sides to get z < 10.

Front

When solving inequalities, what must always be in front of the symbol?

Back

The variable must always be in front of the symbol.

Front

What does the inequality 2 ≥ n mean?

Back

It means that 2 is greater than or equal to n.

Front

How do you represent the solution to an inequality on a number line?

Back

Use an open circle for 'greater than' or 'less than' and a closed circle for 'greater than or equal to' or 'less than or equal to'.