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Ch 5: Equations and Inequalities

About This Chapter

This chapter can show you the basics of simple algebraic equations. With informative video lessons and useful quizzes, you'll learn what you need in order to master these types of problems on a test.

Equations and Inequalities - Chapter Summary

The lessons in this chapter will help you understand general algebraic concepts. You'll learn about algebraic expressions, linear equations and inequalities as you cover basic problem-solving techniques. The video lessons will help you learn how to answer questions about these topics:

  • Variables
  • Expressing relationships as algebraic equations
  • Evaluating algebraic expressions
  • Linear equations
  • Writing linear equations
  • Problem solving with linear equations
  • Inequalities
  • Linear inequalities

You'll be led through your lessons by skilled instructors who know how to keep your interest and get you ready for your test. They will simplify these algebraic concepts and show you various ways to approach each topic.

8 Lessons in Chapter 5: Equations and Inequalities
Test your knowledge with a 30-question chapter practice test
What is a Variable in Algebra?

1. What is a Variable in Algebra?

Did you ever encounter something like a + b = c and wonder how all these letters snuck into a math problem? In this lesson, we'll learn about variables, as well as other parts of equations, constants and coefficients.

Expressing Relationships as Algebraic Expressions

2. Expressing Relationships as Algebraic Expressions

What do you do when you don't know what a number is but you do know how it relates to something else? You use an algebraic expression. In this lesson, we'll learn how to express relationships as algebraic expressions.

Evaluating Simple Algebraic Expressions

3. Evaluating Simple Algebraic Expressions

In this lesson, we'll learn how to evaluate algebraic expressions, which involves substituting numbers for variables and following the order of operations. By the end of the lesson, you'll be an algebraic expression expert.

What is a Linear Equation?

4. What is a Linear Equation?

Most cars won't be able to run for more than 250,000 miles, so how much longer will your car live? Linear Equations are the most basic kind of algebraic function and can help you answer questions exactly like this. Learn about what they look like, how they come up in your life and why they are powerful tools.

How to Write a Linear Equation

5. How to Write a Linear Equation

Simply knowing how to take a linear equation and graph it is only half of the battle. You should also be able to come up with the equation if you're given the right information.

Problem solving using Linear Equations

6. Problem solving using Linear Equations

From sale prices to trip distances, many real life problems can be solved using linear equations. In this lesson, we'll practice translating word problems into linear equations, then solving the problems.

What is an Inequality?

7. What is an Inequality?

Deciding how to spend your money can be a tricky thing. Should you save it, invest it, or enjoy it? Learn how inequalities can help you make your decision!

Solving Linear Inequalities: Practice Problems

8. 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.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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