What are the possible number of positive real, negative real, and complex zeros of
f(x) = -7x4 - 12x3 + 9x2 - 17x + 3?

Question

What are the possible number of positive real, negative real, and complex zeros of 
f(x) = -7x4 - 12x3 + 9x2 - 17x + 3?

anonymous · Answer

Positive Real: 3 or 1 
Negative Real: 1 
Complex: 2 or 0

 
Positive Real: 3 or 1 
Negative Real: 2 or 0 
Complex: 1

 
Positive Real: 1 
Negative Real: 3 or 1 
Complex: 2 or 0

 
Positive Real: 4, 2 or 0 
Negative Real: 1 
Complex: 0 or 1 or 3

anonymous · Answer

@AuroraB @shamil98 @Derrickhitch @FlvsGirl @GeekyChick @heather040200 @jhonyy9 @kawaiicat123 @Lena772

anonymous · Answer

@xoxojesusxoxo @xCamilaCabellox @CrazyCountryGirl @csnider1998 @Cassie__Winfrey @coltonFowler @bookworm00981 @baby1234567 @breanneh @benetsaidso @Naavidya @nincompoop @mukushla @Mashy @Machida @marylou004

anonymous · Answer

I don't know, sorry.