3 years ago

What are the possible rational zeros of f(x) = x4 + 2x3 − 3x2 − 4x + 20? (1 point)

1 answer:

Montano1993 [528]3 years ago

7 0

The possible rational zeros of polynomial function $f(x) = x^4 + 2x^3 - 3x^2-4x + 20$ could be only among the divisors of the free term of this polynomial function.

The free term is 20 and the divisors of 20 are:

$\pm 1, \pm 2, \pm 4, \pm 5, \pm 10, \pm 20.$

Answer: correct choice is C

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