preppyprincess1 preppyprincess1

03-07-2018
Mathematics

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What are the factors of a polynomial with the following zeroes: -1, ⅔, 2 ?

a (x-1)(x+⅔)(x-2)
b (x-1)(3x-2)(x-2)
c (x+1)(x-⅔)(x+2)
d (x+1)(3x-2)(x-2)

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sqdancefan sqdancefan

03-07-2018

When a zero of a polynomial is "c", a factor is (x - c).
If the zero is p/q, a factor will be (x - p/q) or (qx - p).

The appropriate choice here is
d (x+1)(3x-2)(x-2)

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