Inequalities-Practice

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using inequality symbols (such as <, >, ≤, ≥) to show that one expression is not equal to the other.

Front

What does the symbol '>' mean in inequalities?

Back

The symbol '>' means 'greater than'. For example, x > 4 means x is greater than 4.

Front

What does the symbol '<' mean in inequalities?

Back

The symbol '<' means 'less than'. For example, x < 4 means x is less than 4.

Front

What does the symbol '≥' mean in inequalities?

Back

The symbol '≥' means 'greater than or equal to'. For example, x ≥ 4 means x is greater than or equal to 4.

Front

What does the symbol '≤' mean in inequalities?

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 -3x < -12?

Back

To solve -3x < -12, divide both sides by -3. Remember to flip the inequality sign: x > 4.

Front

Translate the sentence: 'four more than a number is less than 17' into an inequality.

Back

The inequality is x + 4 < 17.

Front

Write an inequality for the number of slices of pizza, p, you can buy if each slice costs $3.50 and you have $25.00.

Back

The inequality is 3.50p ≤ 25.00.

Front

What happens to the inequality sign when you multiply or divide by a negative number?

Back

The inequality sign flips when you multiply or divide both sides of an inequality by a negative number.

Front

What is the solution to the inequality -2x ≥ 22?

Back

To solve -2x ≥ 22, divide both sides by -2 and flip the sign: x ≤ -11.