31-10-2017
Mathematics

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Determine if the given x value is a zero of f(x)=x^4+3x^3-6x^2+3; x=-2

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mathstudent55 mathstudent55

31-10-2017

Plug in -2 for x and evaluate.

f(-2) = (-2)^4 + 3(-2)^3 - 6(-2)^2 + 3

f(-2) = 16 - 24 - 24 + 3

f(-2) = -29

-2 is not a zero of the polynomial.

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