Homework Help: Algebra

Posted by Murajabash on Thursday, November 12, 2009 at 8:38pm.

I don't know how to put this in standard form:

f(x)=x^2-2x-15

I tried (x^2-2x+-x^2)-25-x^2, but x^2 doesn't factor into anything so I can't fully put it into standard form. can you show me how, plus how to find the x intercepts and y intercepts?

Algebra - bobpursley, Thursday, November 12, 2009 at 8:41pm
f(x)=(x-1)^2 -16
and of course, that is a difference of two squares...

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