Applet+Gradient

media type="youtube" key="FrWaCmRxq5s?rel=0" height="480" width="640"
 * This video is FULL OF ERRORS but I leave it here for a demo of how to use geogebra,**
 * It is NOT a demo for rise over run - see above file - corrected!**
 * The origional file [[file:Gradient+Starter.ggb]]**