Question 45205
You are correct again!  Do you happen to have a graphing calculator?  Does anyone want to know how to check these with a calculator?  Just draw the graph:
{{{graph (300,300, -6, 10, -6, 16, -(x^2)/3+2x+7 ) }}}.

Does the vertex agree with your algebra result??  It does!


R^2 at SCC