anonymous
  • anonymous
.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
i wanted to know how to do it though but i'll just work backward
anonymous
  • anonymous
@Loser66
anonymous
  • anonymous
@Astrophysics

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More answers

Astrophysics
  • Astrophysics
You can use the rational zero theorem, where you look at your last term and your first term, so we have \[\frac{ \text{factors of 20} }{ \text{factors of 1} }\]
Astrophysics
  • Astrophysics
I think that's a pretty easy way to do it :), so list your factors but remember there are positive and negative terms.
Astrophysics
  • Astrophysics
So since it's a polynomial we can treat the first term as P and last term as Q\[\frac{ P }{ Q } = \frac{ \text{factors of 20} }{ \text{factors of 1} }\] so just a nicer way of putting it.
Astrophysics
  • Astrophysics
So what are the factors of 20?
anonymous
  • anonymous
20 and 1, 2 and 10, 4 and 5
OregonDuck
  • OregonDuck
come on human calculator XD
Astrophysics
  • Astrophysics
Factors of 20 are 1,2,4,5,10,20 so you got that :) now what are the factors of 1
anonymous
  • anonymous
1
Astrophysics
  • Astrophysics
But remember it's positive and negative!
anonymous
  • anonymous
so 1 and 1, -1 and -1
Astrophysics
  • Astrophysics
So we have \[\frac{ P }{ Q } = \pm \frac{ 1,2,4,5,10,20 }{ 1 } = \pm 1,2,4,5,10,20 \] :)
Astrophysics
  • Astrophysics
Easy peasy right?
anonymous
  • anonymous
yup. Is that positive negative for all of them?
anonymous
  • anonymous
so the answer is c, right?
Astrophysics
  • Astrophysics
Yup! This \[\pm \] indicates it has a positive value and negative, and yup that sounds good!
anonymous
  • anonymous
i fanned you, you are awesome!
Astrophysics
  • Astrophysics
Haha, thanks! It's always fun to learn with people!

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