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

19.notebook

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October 15, 2012

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October 15, 2012

2. Solve: x2 + y2 = 9            2x2 ­ y2 = ­6

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October 15, 2012

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October 15, 2012

3. Solve xy = ­4      y = ­x ­ 2

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October 15, 2012

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