We are going to have a big test tomorrow

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Understanding Imaginary Numbers

This web site will help explain imaginary numbers to you.

http://betterexplained.com/articles/a-visual-intuitive-guide-to-imaginary-numbers/

Some Horrible Songs to Help You Memorize the Quadratic Formula

This first one is to the tune of "Pop Goes the Weasel"



This second one is surprisingly famous with over 200,000 hits on YouTube:



Stick Man Sings the Quadratic Formula Song:

Here is a video that shows how to calculate the domain of a composite function

These are some excellent videos on how to graph absolute values

http://www.onlinemathlearning.com/absolute-value-graphs.html