Ask a New Question

Question

Find all complex zeros for the following polynomial function. Please show all of your work.

f(x) = x^4 - 91x^2 - 900

Hi, I need help... I'm not understanding this complex zero..
14 years ago

Answers

Mgraph
Substitute: x^2=z => x^4=z^2

z^2-91z-900=0
(z-100)(z+9)=0
If z=100, x^2=100 then x=10 or x=-10
If z=-9, x^2=-9=9i^2 then x=3i or x=-3i
14 years ago

Related Questions

find the complex zeros of the polynomial function. write f in factored form. use complex zeros to w... find the complex zeros of the polynomial function. write f in factored form. f(x)=x^3-10x^2+37x-5... find the complex zeros of the polynomial function. write f in factored form. f(x)=x^3-10x^2+42x-7... Find the complex zeros of the polynomial function. Write f in factored form. f(x)=3x^4-10x^3-12x^... Find the complex zeros of the polynomial function. Write f in the factored form. f(x)=x^3-3x^2+7x-5... Find the complex zeros of the polynomial function, and write f in factored form: f(x)= x^3 - 8x^2 +... find the complex zeros of the polynomial. Write f in factored form: F(x)= 2x^2-5x^3-20x^2+115x-52=0 Find the complex zeros of the following polynomial function. Write f in the factored form. F(x)=2x^... How do I find complex zeros in a an equation if the equation doesn't have the + or - value at the e... Find the complex zeros of the polynomial function. F(x)=5x^4-16x^3-22x^2+200x-39
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use