Question

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What are the possible rational zeros of f(x) = 3x4 + x3 – 13x2 – 2x + 9?

± 1, ± 3

± 1, ± 3, ± 9

± 1, ± 1 over 3, ± 1 over 9, ± 3

± 1, ± 1 over 3, ± 3, ± 9

Answer 1

http://www.youtube.com/watch?v=5YAmwfT3Esc

Answer 2

The possible rational roots are of the form m/n where m is a divisor 9 and n is a divisor of 3

Answer 3

What does that mean @eliassaab Huuuu?! is is B

Answer 4

\[\pm 1/3 \] can also be but not \[\pm 1/9 \]

Answer 5

Take m=1 and n=3

Answer 6

That is A