19.notebook
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October 15, 2012
19. Nonlinear Systems, Factoring Exponentials, Sum and Difference of Cubes
1. Solve: x2 + y2 = 9 y x = 1
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2. Solve: x2 + y2 = 9 2x2 y2 = 6
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3. Solve xy = 4 y = x 2
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