1. Lesson 1

1.12. Explore 8

Mathematics 30-2 Module 5

Module 5: Rational Expressions

 

textbook

Turn to “Example 3” on page 228 of your textbook to see how you can simplify a rational expression consisting of two expressions. As you work through the solution, consider these questions:

  • What methods are used to factor the numerator and denominator?
  •  How are the examples of non-permissible values determined?

Click on “Simplifying Rational Expressions Introduction” to watch an example on how to simplify a rational expression. How do the steps used in this video compare with the steps you used in Try This 4?

 

 

This is a play button for Simplifying Rational Expressions Introduction.

Source: Khan Academy
(cc icon BY-NC-SA 3.0)



Self-Check 4

 

With a partner, complete the following activity. Each of you will answer a set of math questions. One player will answer the questions in the Player A column. The other person will answer the questions in the Player B column. When you’re both done, compare your answers. Your answers should match in each row. If the answers do not match, then work together to figure out where you went wrong. Remember to state the non-permissible values!

 

Player A Player B

 

Answers