Question 321784
<font face="Garamond" size="+2">


To find the *[tex \Large x]-coordinate of the vertex for a parabola in standard form ( *[tex \Large ax^2\ +\ bx\ +\ c]), calculate:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \frac{-b}{2a}]



John
*[tex \LARGE e^{i\pi} + 1 = 0]
</font>