Inequalities Review

Front

What does a closed circle on a number line represent?

Back

A closed circle indicates that the number is included in the solution set, meaning it represents 'greater than or equal to' (≥) or 'less than or equal to' (≤).

Front

What inequality represents 'at least' 80?

Back

J ≥ 80

Front

What inequality represents 'at most' 45?

Back

x ≤ 45

Front

What does an open circle on a number line represent?

Back

An open circle indicates that the number is not included in the solution set, meaning it represents 'greater than' (>) or 'less than' (<).

Front

If John needs at least an 80 to pass, what does this imply about his score?

Back

John's score must be 80 or higher.

Front

What inequality represents the situation: 'Katie could speed up but not exceed 45 mph'?

Back

30 + s ≤ 45

Front

What is the difference between 'greater than' and 'greater than or equal to'?

Back

'Greater than' (>) does not include the number, while 'greater than or equal to' (≥) includes the number.

Front

What does the inequality J < 80 represent?

Back

J is less than 80.

Front

What are clue words for the inequality ≤?

Back

'At most' and 'no more than' are clue words for ≤.

Front

How would you express 'no more than 50' in inequality form?

Back

x ≤ 50