Monday

December 22, 2014

December 22, 2014

Posted by **nash** on Sunday, April 29, 2012 at 12:39pm.

- algebra -
**Damon**, Sunday, April 29, 2012 at 12:47pmwork backwards from 4 imaginary roots (remember they come in complex conjugate pairs)

(x-i)(x+i)(x-2i)(x+2i) = 0

(x^2+1)(x^2+4)= 0

x^4 + 5 x^2 + 4 = 0

- algebra -
**Anonymous**, Thursday, February 14, 2013 at 7:56pmIs it possible for a degree-4 polynomial P(x) to have only complex (no real) roots?

**Answer this Question**

**Related Questions**

Math (Algebra) - For each degree 17 polynomial f with real coefficients, let sf ...

Algebra - Can someone please explain how to do these problems. 1)write a ...

Algebra 2 - How do I solve polynomial equation by finding all complex roots? The...

Math - Fundamental Theorem - We can actually use the Zeros Theorem and the ...

Algebra 2 - I am trying to factor a 4th degree polynomial that does not have any...

Math - State the number of complex roots,possible number of real roots and ...

Math - A polynomial function f(x) has degree 6 and has real coefficients. It is ...

factoring - can this equation be factored further? y= x^4+2x^3+4x^2+8x+16 Not in...

Pre-Calc/Trig... - Helpp needed, this is sort of confusing me. Describe the ...

Algebra II - Which describes the number and type of roots of the equation x^2 -...