Hi Mellie
I can't find your invisable post.
How long ago did you post it?
Maybe you should just post it again ://
http://web2.0calc.com/questions/in-a-math-class-the-quadratic-x-2-10x-20-is-written-on-the-board-each-student-goes-to-the-board-and-increases-or-decreases-either-the-linear-or