Writing, Graphing and Solving Inequalities

Front

What does the inequality x ≥ 10 mean?

Back

The value of x is greater than or equal to 10.

Front

What symbol is used to represent 'greater than' in inequalities?

Back

>

Front

What symbol is used to represent 'less than or equal to' in inequalities?

Back

≤

Front

When graphing the inequality x < 5, what type of circle is used?

Back

Open circle.

Front

When graphing the inequality x ≥ 3, what type of circle is used?

Back

Closed circle.

Front

What is the solution to the inequality -3x ≥ 12?

Back

x ≤ -4.

Front

How do you solve the inequality r - 14 ≥ -10?

Back

Add 14 to both sides to get r ≥ 4.

Front

What does the inequality x > 10 represent on a number line?

Back

All numbers greater than 10, not including 10.

Front

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

Back

You must reverse the inequality sign.

Front

What is the solution to the inequality 2x + 3 < 11?

Back

x < 4.