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Ch 4: Chapter 4: Solving Inequalities

About This Chapter

The Solving Inequalities chapter of this Prentice Hall Algebra I Textbook Companion Course helps students learn the essential lessons associated with solving inequalities. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Solving Inequalities textbook chapter.

How It Works:

  • Identify the lessons in the Prentice Hall Solving Inequalities chapter with which you need help.
  • Find the corresponding video lessons with this companion course chapter.
  • Watch fun videos that cover the algebra topics you need to learn or review.
  • Complete the quizzes to test your understanding.
  • If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.

Students will learn:

  • Inequalities and the order of real numbers
  • Graphing 1- and 2-variable inequalities
  • Translating math sentences into inequalities
  • Solving linear inequalities
  • Set notation
  • Compound inequalities and systems of inequalities
  • Solving absolute value equations
  • Graphing and solving absolute value inequalities

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8 Lessons in Chapter 4: Chapter 4: Solving Inequalities
Test your knowledge with a 30-question chapter practice test
The Order of Real Numbers: Inequalities

1. The Order of Real Numbers: Inequalities

An inequality is an operation describing how one number can be compared to another. This lesson will describe and define inequalities and the symbols used to represent them. It will also give some examples on how to work with inequalities.

How to Graph 1- and 2-Variable Inequalities

2. How to Graph 1- and 2-Variable Inequalities

So an inequality is just an equation with a less than or greater than symbol. But what is the difference between 1 and 2 variable inequalities? What does have a greater than or equal to symbol change? When do you use a number line instead of a coordinate plane? Get those answers here!

Translating Math Sentences to Inequalities

3. Translating Math Sentences to Inequalities

Watch this video lesson to learn how you can easily translate math sentences into inequalities. Once you know how to do this, solving word problems becomes that much easier.

Solving Linear Inequalities: Practice Problems

4. Solving Linear Inequalities: Practice Problems

Linear inequalities may look intimidating, but they're really not much different than linear equations. In this lesson, we'll practice solving a variety of linear inequalities.

Set Notation, Compound Inequalities, and Systems of Inequalities

5. Set Notation, Compound Inequalities, and Systems of Inequalities

In this lesson, we'll explore the conditions of compound inequalities and learn how to express them using set notation and interval notation. Test you knowledge afterward with a short quiz.

How to Solve an Absolute Value Equation

6. How to Solve an Absolute Value Equation

Once you get familiar with any new operation, the next step in any algebra class is to learn how to solve equations with that operation in them. Absolute values are no different. Solve absolute value equations here!

How to Solve and Graph an Absolute Value Inequality

7. How to Solve and Graph an Absolute Value Inequality

Taking two skills and combining them to make a more complicated problem is a classic tactic in mathematics. If you feel confident with absolute values and inequalities, see if you can tackle them with their powers combined here!

Solving and Graphing Absolute Value Inequalities: Practice Problems

8. Solving and Graphing Absolute Value Inequalities: Practice Problems

Solving and graphing absolute value inequalities brings a lot of different skills together in one place. The practice problems in this video will give you a good chance to see more examples of absolute value inequalities but will also test your general algebraic knowledge.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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