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28 February, 21:11

If x = 1 is a zero of the polynomial function f (x) = 3x3 - 8x2 + 3x + 2, which of the following is another zero of f (x) ?

x = 2

x = - 2

x = - 1

x = 3

+1
Answers (1)
  1. 28 February, 23:41
    0
    Divide 3x^3 - 8x^2+3x + 2 by (x - 1)

    THis gives the quotient 3x^2 - 5x - 2

    3x^2 - 5x - 2 = (3x + 1) (x - 2)

    so x = 2 is another root

    Its the first choice
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