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Ch 13: NYSTCE Mathematics: Rational Expressions

About This Chapter

Enter the world of rational expressions, and enhance your preparations for the NYSTCE Math test, by reviewing fun video lessons. You can refresh your ability to perform mathematical operations on rational expressions as you study for the test.

NYSTCE Mathematics: Rational Expressions - Chapter Summary

Take advantage of the resources in this chapter, which give you the insights you need to answer rational expressions questions on the NYSTCE Math test. Start by watching entertaining lessons that make sure you're able to:

  • Multiply and divide rational expressions
  • Add and subtract rational expressions
  • Solve a rational equation
  • Divide and take the reciprocal of a rational expression
  • Simplify complex rational expressions

The process of compiling and organizing study materials for a certification test like NYSTCE can feel overwhelming. Avoid stress by reviewing prepared lessons that give you an exclusive look at exam topics. You can make sure you're ready to answer test questions by taking self-assessment quizzes and a chapter exam. If you're unclear about any rational expressions concepts in the lessons, don't hesitate to submit your questions to our experts.

8 Lessons in Chapter 13: NYSTCE Mathematics: Rational Expressions
Test your knowledge with a 30-question chapter practice test
How to Multiply and Divide Rational Expressions

1. 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

2. 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.

How to Add and Subtract Rational Expressions

3. 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

4. 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 Solve a Rational Equation

5. 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!

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.

Division and Reciprocals of Rational Expressions

7. Division and Reciprocals of Rational Expressions

In this video lesson, you will learn how to divide and take the reciprocal of any rational expression. Learn the one easy step you take to be able to find your answer quickly and easily.

Simplifying Complex Rational Expressions

8. Simplifying Complex Rational Expressions

When it comes to fractions, things may seem to get really complicated and scary when you have a fraction on top of a fraction. But never fear, after watching this video lesson, you will be able to simplify these expressions like a pro.

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.
Not Taken

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Other Chapters

Other chapters within the NYSTCE Mathematics (004): Practice & Study Guide course

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