Do you know about the maximum/minimum points of quadratic equations? If no take a look at this. You should be able to solve your problem after reading section Maximum and minimum points.

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- October 9th 2009, 10:07 PM #1

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- October 9th 2009, 11:20 PM #2

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- October 10th 2009, 12:18 AM #3

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- October 11th 2009, 06:47 PM #4

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