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Old July 3rd, 2009, 10:04 PM
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Duh.

Quote:
Originally Posted by Chris L T521 View Post
But note that \left(0,-a^2\right) never touches the parabola! .
Yeah...For some reason, I went stupid for a minute. I'm sorry that I got involved here. I probably confused the poor guy even more.

Sorry everbody.
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If you would like to know how the quadratic formula was derived, visit my post entitled:
Deriving the Quadratic Formula.

Last edited by mr fantastic; July 3rd, 2009 at 10:08 PM. Reason: Merged posts
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