Ch 18: SBA Math - Grade 7: Rational Expressions

About This Chapter

These lessons and quizzes can help a student review and practice operations with rational expressions before taking the SBA Math - Grade 7 exam. Our lessons contain information that can help the student correctly answer these types of questions.

SBA Math - Grade 7: Rational Expressions - Chapter Summary

Our lessons can help a student brush up on solving and performing operations with rational expressions in preparation for the SBA Math - Grade 7 exam. These videos and lessons can help with the following topics on the test:

  • Solving a rational equation
  • Subtracting and adding rational expressions
  • Dividing and multiplying rational expressions

These lessons and quizzes are created by experts who include plenty of practice problems. The lessons can be watched on a computer or mobile device. After finishing the chapter, if your student still has questions, the instructor can be easily contacted for additional help via the Teacher tab.

6 Lessons in Chapter 18: SBA Math - Grade 7: Rational Expressions
Test your knowledge with a 30-question chapter practice test
How to Solve a Rational Equation

1. How to Solve a Rational Equation

A rational equation is one that contains fractions. Yes, we will be finding a common denominator that has 'x's. But no worries! Together we will use a process that will help us solve rational equations every time!

How to Add and Subtract Rational Expressions

2. How to Add and Subtract Rational Expressions

Adding and subtracting rational expressions brings everything you learned about fractions into the world of algebra. We will mix common denominators with factoring and FOILing.

Practice Adding and Subtracting Rational Expressions

3. Practice Adding and Subtracting Rational Expressions

Adding and subtracting rational expressions can feel daunting, especially when trying to find a common denominator. Let me show you the process I like to use. I think it will make adding and subtracting rational expressions more enjoyable!

How to Multiply and Divide Rational Expressions

4. How to Multiply and Divide Rational Expressions

Multiplying and dividing rational polynomial expressions is exactly like multiplying and dividing fractions. Like fractions, we will reduce. With polynomial expressions we use factoring and canceling. I also give you a little mnemonic to help you remember when you need a common denominator and when you don't.

Multiplying and Dividing Rational Expressions: Practice Problems

5. Multiplying and Dividing Rational Expressions: Practice Problems

Let's continue looking at multiplying and dividing rational polynomials. In this lesson, we will look at a couple longer problems, while giving you some practice multiplying and dividing.

Rational Equations: Practice Problems

6. Rational Equations: Practice Problems

Mario and Bill own a local carwash and have several complex tasks that they must use rational equations to solve for an answer. Enjoy learning how they solve these equations to help them with some of their day-to-day tasks.

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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