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3/18/2013 11:23:38 PM
9
does somebody want to help me with my algebra homework?
im trying to do the rational zero theorem. I cant figure it out. I tried googling it, but I came out empty handed and still not knowing of what to do.
heres an example: f(x)=x^3-14x^2-14x-8
I have to find all possible rational zeros
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4 RepliesMake sure you set it equal to 0 x^3-14x^2-14x-8=0 Now, normally, you would try to factor it out. I'll save you the trouble and tell you that you really can't. What you need is to find one of the zeros by either using a graphing calculator, or a long, obnoxious process of trying out the numbers 8; 4; 2; or 1 in synthetic division, and testing to see you get a remainder of zero. Let me know when you find out which one of those work.
