GeoGebra Examples by Dave Mulkey

Rectangle(s) in the   Coordinate Plane

Slope Worksheet

Intersecting Lines

Parabola from 2 roots

Quadratic Polynomial

Parabola Intersects   Derivative

Two Circles

Area between Line
  and Parabola

Asin(Bx+C) + D

 

Geograbra Links - More Examples

Mathcast Tutorials

Various Applets

Better Applets