How many rational roots does x4 + 3x3 + 3x2 + 3x + 2 = 0 have?

0
1
2
4

Question

How many rational roots does x4 + 3x3 + 3x2 + 3x + 2 = 0 have?

 0
 1
 2
 4

e.cociuba · Answer

x^4+3x^2+2=0
let x^2 = t
so t^2 +3t^2 +2 =0
(t +2)(t+1)=0
so x^2 =-2 and x^2 =-1
so the equation has 4 complex roots and no rational roots. 
ANSWER: 4

anonymous · Answer

wow Thank YOU lol... Really appreciate it :)

e.cociuba · Answer

np:)

anonymous · Answer

Fan :)

e.cociuba · Answer

tnxs:)

anonymous · Answer

@e.cociuba did u get tht off the internet???

e.cociuba · Answer

I referenced it, to see if i got it rite:) Did u get the same answer as me?

anonymous · Answer

no, i got 6 i think u did tht the wrong way...

anonymous · Answer

i mean 2

anonymous · Answer

sry

e.cociuba · Answer

um 6 is not even a choice!! u obviously got it worng :)

e.cociuba · Answer

yea prove ur work!

anonymous · Answer

yeah i did a mistake... geez

anonymous · Answer

x^4+3x^2+2=0
let x^2 = t
so t^2 +3t^2 +2 =0
(t +2)(t+1)=0
so x^2 =-2 and x^2 =-1
so the equation has 2 complex roots and no rational roots. 
answer= 2

e.cociuba · Answer

Tht makes no sence! You just changed my answer from 2 to 4 'honey'! Don't joke around with this prob. If u want to help, help the rite way! :D

e.cociuba · Answer

*sense

anonymous · Answer

ok im soo sry i luv u soo much.. im so sry, do u for give me??

e.cociuba · Answer

um ur forgiven.