Question

Acellus

If f(x) = x4 + 3x3 – x2 + 8,
what would be the list of
q
possible rational roots?
Arrange your list from smallest to
largest.
р
q
8 = [?], [), OOOOOO

Answer 1

9514 1404 393

Answer:

{-8, -4, -2, -1, 1, 2, 4, 8}

Explanation:

Possible rational roots are positive and negative divisors of the constant 8:

{-8, -4, -2, -1, 1, 2, 4, 8}

_____

Additional comment

This polynomial has no rational roots. Its two real roots are both negative and irrational.