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This activity helps you understand how to balance an equation. You input the term and the operation. The activity uses that term and operates on both sides of the equation. It then displays the resulting equation. Equation Solver is one of the Interactivate assessment explorers.

Enter two complex numbers (z and c) as ordered pairs of real numbers, then click a button to iterate step by step. The iterates are graphed in the x-y plane and printed out in table form. This is an introduction to the idea of prisoners/escapees in iterated functions and the calculation of fractal Julia sets.

Introduces the concepts of the additive inverse and multiplicative inverse and how they are used when solving equations.

Teaches distinguishing between possible and impossible graphs of functions as well as causes of graphical impossibility.

This worksheet is for use with the Squaring the Triangle activity (http://www.shodor.org/interactivate/activities/SquaringTheTriangle/).