Quote:
Originally Posted by Snoopydance
Nham, halp.
I figured out the n-th degree problem because it was in the back of the book.
I'm doing a take home test and, well, it is kicking my ass.
I don't think I got the right answer for:
Solve the polynomial equation
x^3-2x^2-7x-4=0
I came up with x=-1 or 4 but there's supposed to be 3 answers, right?
Then, with 2x^3-5x^2-6x-4 I don't really know what to do because the rational zero is 1/2 and that just blows.
Asymptotes... I felt like they were easy in class but with a week of drinking and not thinking much, I'm a bit lost.
And, really, **** me running with the application problems.
My math class is teh suck. I'm basically teaching myself. All she does is takes examples out of the book and does them on the board. Fast.
Blah.
i don't know if you use long division, synthetic division or w/e.
assuming x=4 is a root (which it is), i used long division to find that you can factor it as follows:
(x-4)(x^2 + 2x + 1)
which can be expressed as:
(x-4)(x+1)^2
so the only roots are x=4 and x=-1
the other one i didn't know what to do so i plugged it into wolfram alpha...