Graph of Linear Equations

From GeoGebraWiki

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.html

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