Inactive Tutor answered 06/06/13
Hi, Tara.
I was searching on Google for something general on graphing hyperbolas. Try this site,
http://www.dummies.com/how-to/content/how-to-graph-a-hyperbola.html
It gives, what I think is, a pretty clear explanation. Let me know if you have any questions about it.
Best,
Ethan