Chapter 4: Systems of Linear Equations

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 download the InterAct Math Plugin, follow these directions:

1. If your computer is running the Windows 95 or later operating system, click on the button titled "Download InterAct Math" to go to the InterAct Math Plugin Download Web site.

2. A new browser window will open to the InterAct Math Download Web page. Select "Installation Instructions".

3. Follow the downloading instructions. Then return to this site to select the InterAct Math problem you would like to practice.

	Interact Tutorials Please Note: This plug-in will work for Windows users only.
	4.1 Linear Systems of Equations in Two Variables 4.2 Linear Systems of Equations in Three Variables 4.3 Applications of Linear Systems 4.4 Determinants 4.5 Solution of Linear Systems of Equations by Determinants-Cramer's Rule
	Numbers in the Real World
	To access the Numbers in the Real World applications, simply click on the hyperlinked lesson below.
	Section 4.2  On page 134 of your book, you'll find a Real World exercise about equations. For more practice with similar Real World investigations, try the problem below: | Lesson 14 |