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, 09:59 PM
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#2
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 and so it is Group: Human Posts: 1,304 Joined: Feb 2004 Member No: 3,085 |
1) type it into y=
2) graph it 3) 2nd -> trace -> zero 4) find left bound and press enter 5) find right bound and press enter 6) guess where it is approx (doesnt matter) 7) x = .5 ; y = 0 and if you plug .5 as "x" into your equation, it should equal 0. |
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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 Gigi Actually if you have a graphing calculator (or if ... Sep 30 2008, 09:50 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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