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24-10-2018
Mathematics

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Which values are possible rational roots of 9x^3 + 14x^2 - X + 18=0 according to the rational root theorem?

Select each correct answer

Which values are possible rational roots of 9x3 14x2 X 180 according to the rational root theorem Select each correct answer class=

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kudzordzifrancis kudzordzifrancis

24-10-2018

ANSWER
The correct answers is B and D.

EXPLANATION

According to the rational root theorem, all factors of 18 divided by all factors of 9 are possible rational roots.

[tex] \pm \frac{3}{9} = \pm \frac{1}{3} [/tex]

[tex] \pm \frac{3}{1} = \pm 3[/tex]

Therefore option B and D are the correct answers.

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