Chapter 8: Rational Expressions

Students and Teachers!
Would you like to be able to use InterAct over the Web? or try Real World problems that link you to other Web sites for more data and information? See below!

InterAct Tutorials
To access the InterAct tutorials over the Web, you will need to download the InterAct plug-in--but you will only need to do this once. To make this process easier, you should print this page now and follow these directions:
1) Click on the Download InterAct button.
2) A dialog box will ask you where you would like to save the file. Select a folder on your hard drive to save it in and make a note of the location to which you save it.
3) Using your Windows Explorer (this can be found from the "Start" menu under "Programs"), locate the saved file and double-click on it to launch the installation.
4) Make the appropriate selections in the dialog boxes as you proceed through the installation.
5) Once the installation is completed, return to this Web site and select the InterAct problems that you would like to try. The InterAct plug-in will then be launched automatically.
  Interact Tutorials
Please Note: This plug-in will work for Windows users only.
  8.1 The Fundamental Property of Rational Expressions
8.2 Multiplication and Division of Rational Expressions
8.3 Least Common Denominators
8.4 Addition and Subtraction of Rational Expressions
8.5 Complex Fractions
8.6 Equations Involving Rational Expressions; Summary Exercises on Rational Expressions
8.7 Applications of Rational Expressions
  Numbers in the Real World
 To access the Numbers in the Real World applications, simply click on the hyperlinked application name below.

Section 8.1  On page 476 of your book, you'll find a Real World exercise about ultraviolet rays. For more practice with similar Real World investigations, try the problem below:

| Weight Loss |

Section 8.3  On page 488 of your book, you'll find a Real World exercise about statistics. For more practice with similar Real World investigations, try the problem below:

| That's Stats |

Section 8.4  On page 496 of your book, you'll find a Real World exercise about number magic. For more practice with similar Real World investigations, try the problem below:

| Number Magic |

Section 8.6  On page 510 of your book, you'll find a Real World exercise about geometry. For more practice with similar Real World investigations, try the problem below:

| Easy as Pi |

Section 8.7  On page 522 of your book, you'll find a Real World exercise about large numbers. For more practice with similar Real World investigations, try the problem below:

| Gauss Again |