Hi I just found this blog. http://algebra1course.wordpress.com/2012/08/10/1-graphing-quadratic-functions/

This is a blog that is lesson by lesson on quadratic functions - algebra.  It looks excellent, so if you need a little or lot of extra help with this stuff here is a place to go. 
You may have to copy and past the above address into your address bar.  I tried the link a couple of times and it always worked.  Hope this helps.