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 Algebra Pre-Algebra and Basic Algebra Math Forum

 March 30th, 2014, 04:57 PM #1 Newbie   Joined: Mar 2014 From: illinois, usa Posts: 9 Thanks: 0 Need help Please, I'm new here and I need examples of five degree equations in one variable. . If possible guide me to websites that contains equations with five to n degree Waiting your help as soon as possible, and sorry about my English. Regards
 March 30th, 2014, 05:03 PM #2 Global Moderator     Joined: Oct 2008 From: London, Ontario, Canada - The Forest City Posts: 7,968 Thanks: 1152 Math Focus: Elementary mathematics and beyond Fifth Degree Polynomials Click on the graphs at the bottom of the page.
 March 30th, 2014, 05:56 PM #3 Global Moderator   Joined: Dec 2006 Posts: 21,033 Thanks: 2269 (x - a)(x - b)(x - c)(x - d)(x - e) = 0 (Just give a, b, c, d and e constant values of your choice, and those values will be the solutions of the equation.)
March 30th, 2014, 07:48 PM   #4
Newbie

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From: illinois, usa

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Quote:
 Originally Posted by greg1313 Fifth Degree Polynomials Click on the graphs at the bottom of the page.
Many thanks greg1313,
I don't know if I asked the right question,
What I mean is like this
a.x^n+b.x^n-1+....=0 (n=5, or n=6, or n=7.... etc)
Ex: a.x^5+b.x^4-c.x^3+....=0

March 30th, 2014, 07:53 PM   #5
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Joined: Mar 2014
From: illinois, usa

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Quote:
 Originally Posted by skipjack (x - a)(x - b)(x - c)(x - d)(x - e) = 0 (Just give a, b, c, d and e constant values of your choice, and those values will be the solutions of the equation.)
I'm not looking for given solutions or lessons
All what I need a lot examples of equations five degree & above
as I mentioned. . Only examples without resolves (solutions)

Sorry again for my bad English

Last edited by L2014; March 30th, 2014 at 07:57 PM.

 March 31st, 2014, 02:51 AM #6 Global Moderator   Joined: Dec 2006 Posts: 21,033 Thanks: 2269 Why do you want examples from websites rather than examples you invent at random (most of which couldn't be solved algebraically)?
March 31st, 2014, 04:08 AM   #7
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Joined: Mar 2014
From: illinois, usa

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Quote:
 Originally Posted by skipjack Why do you want examples from websites rather than examples you invent at random (most of which couldn't be solved algebraically)?
Thx skipjack
How do I invent at random!!!!?
We have to give the right values for a and b. . Etc to get =0 true
It's no matter if from websites or from here, I only need examples
True examples, how it look? Documents, links any help I will appreciate

Thx to all

 April 1st, 2014, 05:31 AM #8 Newbie   Joined: Mar 2014 From: illinois, usa Posts: 9 Thanks: 0 Quintic equations Examples please. .
 April 1st, 2014, 08:32 AM #9 Math Team   Joined: Dec 2013 From: Colombia Posts: 7,690 Thanks: 2669 Math Focus: Mainly analysis and algebra You can create your own by expanding $$\prod_{i=1}^{5}{(x - a_i)}$$ where the $a_i$ are whatever roots you decide to select (and all will be solveable). You could even replace a pair of real roots with a quadratic having no real solutions. Or, you can create $$\sum_{i=0}^{5}{a_i x^i}$$ to get (probably) insolvable equations. Both are approaches that have already been suggested. Why do we have to do the (trivial) work of selecting five or six numbers for you?
 April 1st, 2014, 08:34 AM #10 Global Moderator   Joined: Dec 2006 Posts: 21,033 Thanks: 2269 Are you now saying you want examples which do have solutions, but without being told what the solutions are? If so, does it matter how many real solutions there are? For example, polynomials of odd degree must have at least one real zero, no matter what the values of the coefficients are (so you could use random values for the coefficients).

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