Posted by John on Monday, November 21, 2011 at 12:10pm.
How to graph this:
Step 0: y=x(x4)
Step 1: y=x^24x
What's next?
Calculator shows vertex at (2,4)
I asked before, but I'm still stuck. Please help. thanks.

Math (URGENT)  drwls, Monday, November 21, 2011 at 12:39pm
I answered before, by completing the square, and told you why the vertex is at (2, 4).
Why don't you just plot the curve yourself?

Math (URGENT)  John, Monday, November 21, 2011 at 12:46pm
I understand why the vertex is there, I just don't understand what you mean by completing the square.

Math (URGENT)  drwls, Monday, November 21, 2011 at 12:51pm
http://www.themathpage.com/alg/completethesquare.htm#complete
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