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Expression Machine

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This excellent expression machine illustrates using variables in an expression. Click the nose to create a new expression. Choosing different x-values will give different outputs. Try predicting the output before selecting the next x-value.

Contributed by: Shaoni Bandyopadhya, Alyssa Beck, Cindy Piao and Karen Ye (Torrey Pines High School) (April 2007)
Open content licensed under CC BY-NC-SA

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