Translating 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, greater than or equal to, or less than or equal to the other.

Front

What does the symbol '>' mean in inequalities?

Back

'>' means 'greater than'. For example, m > 41 means m is greater than 41.

Front

What does the symbol '<' mean in inequalities?

Back

'<'' means 'less than'. For example, x < 18 means x is less than 18.

Front

What does the symbol '≥' mean in inequalities?

Back

'≥' means 'greater than or equal to'. For example, x ≥ 18 means x is 18 or older.

Front

What does the symbol '≤' mean in inequalities?

Back

'≤' means 'less than or equal to'. For example, x ≤ 50 means x is 50 or younger.

Front

How do you write an inequality for 'at least 18 years old'?

Back

You write it as x ≥ 18.

Front

How do you write an inequality for 'no more than 50'?

Back

You write it as x ≤ 50.

Front

What is the graph of x < 10?

Back

The graph shows all numbers less than 10, represented by an open circle at 10 and a line extending to the left.

Front

What is the graph of x ≥ 12?

Back

The graph shows all numbers greater than or equal to 12, represented by a closed circle at 12 and a line extending to the right.

Front

How do you interpret the inequality m > 41 in a real-world context?

Back

It means that Mary’s points, m, totaled more than 41.