Inequalities Pre-Flashcard Review

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 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 ≤ 4 means x is less than or equal to 4.

Front

How do you solve the inequality x < 8?

Back

To solve x < 8, you find all values of x that are less than 8.

Front

What is the solution to the inequality x > 24?

Back

The solution to x > 24 includes all values of x that are greater than 24.

Front

If Hank works 4 hours each Saturday, what inequality represents the minimum hours he needs to work for 28 hours?

Back

The inequality is 4x ≥ 28, where x is the number of Saturdays.

Front

What does the inequality x/-5 ≠ 17 represent?

Back

This inequality means that the quotient of x and -5 cannot equal 17.

Front

How do you graph the inequality x < -4?

Back

To graph x < -4, draw a number line, place an open circle at -4, and shade to the left.