set to zero |
 Sep 30 2008, 08:55 PM
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#1
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 Death is a promise given to us at birth  Group: Official Designer Posts: 4,757 Joined: Mar 2004 Member No: 7,459  |
i need help with this problem. I can't seem to do it. I need to solve for "x".
Help immediately. 
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Sep 30 2008, 09:50 PM
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#2
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 in a matter of time Group: Staff Alumni Posts: 7,151 Joined: Aug 2005 Member No: 191,357 |
Actually if you have a graphing calculator (or if you're allowed to use one), I'd probably just graph it and then find the zeros. Factoring cubics is NOT fun.
XTC, you could say that you committed every single algebra crime you could think of. The mathematical portion of my brain died a little reading that. |
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Posts in this topic
moorepocket set to zero Sep 30 2008, 08:55 PM
XTC 4x^3-6x^2+1=0
4x^3-6x^2=-1
10x^5=-1
50x=-1
x=-50
... Sep 30 2008, 09:43 PM Gigi ^ That is completely, utterly, wrong. On so many f... Sep 30 2008, 09:46 PM Joannnnnne ^x2 Yeah, that's not right. You can't just... Sep 30 2008, 09:48 PM espressive 1) type it into y=
2) graph it
3) 2nd -> trace ... Sep 30 2008, 09:59 PM moorepocket everyone could use a calculator, but that's no... Sep 30 2008, 11:00 PM Gigi That's true and all, but factoring cubics is h... Sep 30 2008, 11:06 PM Joannnnnne Yeah, I remember learning this a couple years ago,... Sep 30 2008, 11:07 PM
espressive so i dug up old precalc/trig notes cause i remembe... Sep 30 2008, 11:34 PM |
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