Lesson 4.8 - Inequality Word Problems

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using symbols such as <, >, ≤, or ≥.

Front

What does the symbol < mean?

Back

The symbol < means 'less than'. For example, x < 10 means x is less than 10.

Front

What does the symbol > mean?

Back

The symbol > means 'greater than'. For example, x > 10 means x is greater than 10.

Front

What does the symbol ≤ mean?

Back

The symbol ≤ means 'less than or equal to'. For example, x ≤ 10 means x is less than or equal to 10.

Front

What does the symbol ≥ mean?

Back

The symbol ≥ means 'greater than or equal to'. For example, x ≥ 10 means x is greater than or equal to 10.

Front

How do you represent 'a number is less than 14.2'?

Back

You represent it as p < 14.2.

Front

How do you represent 'you must be older than 13'?

Back

You represent it as b > 13.

Front

How do you represent 'the phone costs more than 50 dollars'?

Back

You represent it as p > 50.

Front

How do you represent 'a letter must be under 3.5 ounces'?

Back

You represent it as l < 3.5.

Front

What is the difference between < and ≤?

Back

< means strictly less than, while ≤ means less than or equal to.