Which of the following represents the set of possible rational roots for the polynomial shown below?
2x³+5x²-8x-10=0
A {(1/2), 1, 2, (5/2), 4, 5, 10, 20}
B {+-1, +-2, +-4, +-5, +-10, +-20}
C {+-(1/2), +-1, +-2, +-(5/2), +-5, +-10}
D {+-(2/5), +-(1/2), +-1, +-2, +-(2/5), +-(1/5), +-(1/10)}
