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MelindaR
Group Title
What can we afirm about p(x)=x^5  5x^3 + 4x^2  3x  2?
a) p(x) has only 3 real roots (1 integer and 2 rationals)
b)p(x) has only one real root, which is also integer
c) x=2 isn't a root of p(x)
d)p(x) has only real roots (1 integer, 2 rationals and 2 irrationals)
So, c is wrong because I divided p(x) by x  2 and I got x^4 + 2x^3  x^2 + 2x + 1. Problem is I have no idea how to find the other roots! Help!
 2 years ago
 2 years ago
MelindaR Group Title
What can we afirm about p(x)=x^5  5x^3 + 4x^2  3x  2? a) p(x) has only 3 real roots (1 integer and 2 rationals) b)p(x) has only one real root, which is also integer c) x=2 isn't a root of p(x) d)p(x) has only real roots (1 integer, 2 rationals and 2 irrationals) So, c is wrong because I divided p(x) by x  2 and I got x^4 + 2x^3  x^2 + 2x + 1. Problem is I have no idea how to find the other roots! Help!
 2 years ago
 2 years ago

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amitlpu91 Group TitleBest ResponseYou've already chosen the best response.0
jst check for those value whose value for thoce given equation gives "0".& this shows that root is real .
 2 years ago

MelindaR Group TitleBest ResponseYou've already chosen the best response.0
I've already tried some
 2 years ago

MelindaR Group TitleBest ResponseYou've already chosen the best response.0
@ash2326 @Mertsj Any ideas?
 2 years ago

Mertsj Group TitleBest ResponseYou've already chosen the best response.1
2 is one rational zero
 2 years ago

MelindaR Group TitleBest ResponseYou've already chosen the best response.0
So it's either a or d.
 2 years ago

Mertsj Group TitleBest ResponseYou've already chosen the best response.1
It has three real zeros
 2 years ago

Mertsj Group TitleBest ResponseYou've already chosen the best response.1
One integer and two rationals.
 2 years ago

MelindaR Group TitleBest ResponseYou've already chosen the best response.0
how did you get that?
 2 years ago

Mertsj Group TitleBest ResponseYou've already chosen the best response.1
i graphed it on Wolfram
 2 years ago

MelindaR Group TitleBest ResponseYou've already chosen the best response.0
Clever. Thx
 2 years ago
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