Question 1 of 10
Which of the following represents the set of possible rational roots for the
polynomial shown below?
21³+5x²-8r-20=0

A. { ± 1⁄, ± ¹, ± 2, ± 2, ± 4, ± 5, ± 10, ± 20}
O A.
O B. {±1, +2, +4, ±5, ± 10, ± 20}
○
c. { ± 3, ± 1⁄, ± 1, ± 2, ±3, ±3⁄, ±10}
{1, 1, 2, 3, 4, 5, 10, 20}
O D. 1