SOLUTION: Which set of values for x should be tested to determine the possible zeros of x^3 - 2x^2 + 3x - 12 a) 1, 2, 3, 4, 6, and 12 b) ±2, ±3, ±4, ±6, and ±12 c) ±1, ±2, ±3

Algebra ->  Test -> SOLUTION: Which set of values for x should be tested to determine the possible zeros of x^3 - 2x^2 + 3x - 12 a) 1, 2, 3, 4, 6, and 12 b) ±2, ±3, ±4, ±6, and ±12 c) ±1, ±2, ±3      Log On


   



Question 1161511: Which set of values for x should be tested to determine the possible zeros of
x^3 - 2x^2 + 3x - 12
a) 1, 2, 3, 4, 6, and 12
b) ±2, ±3, ±4, ±6, and ±12
c) ±1, ±2, ±3, ±4, and ±6
d) ±1, ±2, ±3, ±4, ±6, and ±12

Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39799) About Me  (Show Source):
You can put this solution on YOUR website!
Review the Rational Roots Theorem.
Choice (d).

Answer by ikleyn(53763) About Me  (Show Source):
You can put this solution on YOUR website!
.

All the divisors of the constant term -12 should be tested, each with the  " + "  and the  " - "  sign.


        +/-1, +/-2, +/-3, +/-4, +/-6, +/-12.


Option d) in your list.