Thursday, August 23, 2012

Reflecting the Exponential Function

The red point is the reflection of the green point over the blue line. Move the green point and observe what happens.

This is a Java Applet created using GeoGebra from - it looks like you don't have Java installed, please go to
Guillermo P. Bautista, Created with GeoGebra


  1. What is the relationship between the coordinates of the points?
  2. If the coordinates of the green point are (x,y), what will be the coordinates of the reflected point? 
  3. If the green point and red point are connected with a line, what will be the relationship of that line to the line of reflection?