While it is not new, Khan Academy is something worth sharing. Go to http://www.khanacademy.org/ to watch thousands of tutorials for free online.

# Category Parabola

# Make Me Rich

**Description:** In this activity, students explore a variety of functions through four different payment plans. They must select the best payment plan for different conditions.

http://media.mivu.org/mvu_pd/a4a/resources/makemerich/index.html

# Exploring Parabolas

**Description:** In this activity students explore the graph of a quadratic in vertex form. Interactives are used to allow students to interact with the graphs of parabolas and understand the effect that each part of the equation has on the appearance of the final graph. Interactive practice is also provided to solidify the concepts.

http://media.mivu.org/mvu_pd/a4a/resources/parabolas/index.html