Asked by Toni
Find all the zeros of the polynomial function by using the Rational Zero Theorem, Descartes Rule of Signs and Synthetic Division.
f(x)=x^3-3x^2-33x+35
f(x)=x^3-3x^2-33x+35
Answers
Answered by
Steve
DRS says there are
2 or 0 positive roots
1 negative root
RZT says look for roots among ±1,5,7,35
Synthetic division using easy values first says
f(x) = (x-1)(x^2-2x-35)
I think you can probably take it from there, ok?
2 or 0 positive roots
1 negative root
RZT says look for roots among ±1,5,7,35
Synthetic division using easy values first says
f(x) = (x-1)(x^2-2x-35)
I think you can probably take it from there, ok?