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help..., .
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post Nov 15 2004, 06:55 PM
Post #1


te quiero
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yknow there should be a homework help forum...

anyways... i'm pretty sure this isn't allowed, but i'm in trouble and this is my last resort. i've googled it, but i really dont understand how some sites explain it, but how would you find irrational roots to a polynomial equation without using a graphing calculator?

more specifically...

can you find all the irrational roots to this equation:
1x^8 - 5x^7 + 8x^5 + 6x^4 - 1x^3 - 9x^2 + 9x + 4

thanks.

and if you're gonna close this... can you PLEASE PLEASE PLEASE wait until 12 midnight tonight?? PLEASE PLEASE PLEASE.

much love,
melissa
 
 
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*autumn.*
post Nov 15 2004, 08:25 PM
Post #2





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ugh. i dont really remember things from precalc, but i believe you use division to figure this one out? do you already know one of the roots?
 

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