Chapter 4: Linear Equations and Inequalities in Two Variables; Functions

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.
	4.1 The Rectangular Coordinate System 4.2 The Slope of a Line 4.3 Linear Equations in Two Variables 4.4 Linear Inequalities in Two Variables 4.5 An Introduction to Functions 4.6 An Application of Functions: Variation
	Numbers in the Real World
	To access the Numbers in the Real World applications, simply click on the hyperlinked lessons below.
	Section 4.4  On page 234 of your book, you'll find a Real World exercise about linear equations. For more practice with similar Real World investigations, try the problem below: | Lesson 11 |
	Section 4.5  On page 246 of your book, you'll find a Real World exercise about linear inequalities. For more practice with similar Real World investigations, try the problem below: | Lesson 12 |
	Section 4.6  On page 258 of your book, you'll find a Real World exercise about tables. For more practice with similar Real World investigations, try the problem below: | Lesson 13 |