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Graphing Equations
Graphs are the heart of Algebra! Graphs give you an unbelievable amount of information about the problems you are trying to solve. In this chapter, we are only going to focus on Linear Equations. Use the table of contents below for help on a particular method, or follow along chapter by chapter for a complete unit on graphing equations! If you find that you have difficulty with this unit, try the Algebra Class E-course. In all E-courses, you'll find more examples on video, a lot of practice problems with step-by-step solutions, and quizzes and tests to assess your progress! So, what exactly is a linear equation?An equation is defined as linear when it's graph presents a straight line. These equations contain terms that are either a constant and/or the product of a constant and a single variable to the first power. A linear equation can have more than one variable. Let's look at a few examples:
Before you get started, let's just do a quick review of how to graph points on a coordinate plane! Brief Overview of Graphing on a Coordinate Plane
If you haven't graphed points on a coordinate plane in a while, it might be a good idea to practice before you start the Algebra lessons. Practice Graphing Points on a Coordinate PlaneGraph the following points on the coordinate plane: 1. (3,5) 2. (-2,-1) 3. (-4, 1) 4. (0,-5) 5. (6, 0)
Answer Key to Graphing Points
If you can graph these points on a coordinate plane, then you are ready to start learning how to graph linear equations! Move onto Graphing Using a Table of Values Return from Graphing Equations to Solving Equations Return to Algebra Class Home Page. |
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