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25 June, 16:20

Which statement is true of x2 + 8x - 6?

0 (x - 2) is a factor of the polynomial.

(x + 2) is a factor of pe polynomial.

(x - 4) is a factor of the polynomial.

The polynomial is prime.

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Answers (2)
  1. 25 June, 16:30
    0
    Let f (x) be x^2+8x-6

    x-2=0

    x=2

    f (2) = (2) ^2+8 (2) - 6

    = 4+16-6

    = 20-6

    = 14

    (x-2) is not a factor of f (x).

    x+2=0

    x=-2

    f (-2) = (-2) ^2+8 (-2) - 6

    = 4-16-6

    = - 18

    (x+2) is not a factor of f (x).

    x-4=0

    x=4

    f (4) = (4) ^2+8 (4) - 6

    = 16+32-6

    = 10+32

    = 42

    (x-4) is not a factor of f (x).

    Since none of the given factors are the factors of f (x), and the question states that one of the statements given above are true, the true statement is that the polynomial is prime.
  2. 25 June, 16:38
    0
    x+2 and X-4 are the factors
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