i know the equation of to find if at all where a function crosses the x axis but i also found you can just use which i really dont understand as were does the go?

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- Dec 24th 2009, 08:55 AMrenlokfinding x in quadratic equations
i know the equation of to find if at all where a function crosses the x axis but i also found you can just use which i really dont understand as were does the go?

- Dec 24th 2009, 09:03 AMgalactus
gives the x coordinate of the

**vertex**of a parabola. - Dec 24th 2009, 09:03 AMskeeter
- Dec 24th 2009, 09:04 AMe^(i*pi)
- Dec 24th 2009, 09:12 AMrenlok
oh right that makes sense thanks guys :D