GeoGebra

Graph of Linear Equations

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The applet below shows how the ordered pair of values from a linear equation y = mx + c plots a straight line, and shows that the line cuts the y axis at the y intercept value of c, and that the coefficient m is the gradient(slope) of the graph.

http://www.geogebra.org/en/upload/files/english/lewws/lg1mc_r1.html

Linegraph.jpg

Use the slider bar "narr" to navigate through the presentation and instructions in the applet (Suitable for classroom demonstration)

You may download the geogebra file for educational use. Ggb.gif lg1mc_r1.ggb If you have downloaded the ggb file and improved upon it, kindly let me take a look too. Thanks.

Your feedback to author is appreciated : lewweisern@gmail.com.