## April 2008

#### Graphs of Functions and Algebra - Interactive Tutorials

by knann (via)Free tutorials using java applets to explore, interactively, important topics in precalculus such as quadratic, rational, exponential, logarithmic, trigonometric, polynomial, absolute value functions and their graphs. Equations of lines, circles, ellipses, hyperbolas and parabolas are also explored interactively. Graph shifting, scaling and reflection are also included. The definition and properties of inverse functions are thoroughly investigated. A graphical approach to 2 by 2 systems of equations is included.

## November 2006

#### Gummy Bears - A graduated jellybean

by knann (via)Grade 10 Calculus Blog where students summarize the class lesson. Talk about make math and learning visible;;;This one is in the Scribe Hall of Fame! Take a look at the comments!

1
(2 marks)