By now, you've learned several techniques to solve what seem like similar problems. Which technique do you use? There's only one way to find out: the hit game show, "Name That Equation!" Then, the Standard Deviants kick things up a notch when they cover higher-order differential equations.

Co-written by Murli Gupta, Ph.D. or George Washington University and Richard Semmler, Ph.D. of Northern Virginia Community College