Question 947501
Use Completing The Square to put the equation into standard form:
<a href="http://www.algebra.com/my/Completing-the-Square-to-Solve-General-Quadratic-Equation.lesson?content_action=show_dev">Completing the Square to Solve General Quadratic Equation </a>


Read the vertex point directly from the standard form equation, {{{y=a(x-h)^2+k}}}, which would show <b>k</b> to be the maximum value for your equation.  Note carefully, YOUR given equation will have a MAXIMUM, not a minimum.