3)P(x) = 3×3 – 8×2+23x-4.Classify the type of the given polynomial and calculate its value at x=-2.

Question

3)P(x) = 3×3 – 8×2+23x-4.Classify the type of the given polynomial and calculate its value at x=-2.

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Eloise 1 month 2021-08-18T14:15:18+00:00 2 Answers 0 views 0

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    0
    2021-08-18T14:16:19+00:00

    The given polynomial is a cubic polynomial

    Calculate value of x at -2

    3×(-2)^3 – 8(-2)^2 +23(-2) -4

    3(-8) – 8(4) -46 -4

    -24 -32 -56

    -106

    0
    2021-08-18T14:16:47+00:00

    Answer :

    p(x)=3x^3-8x^2+23x-4 \\\\ \implies cubic \ polynomial. \\\\ => it's \ value \ at \ x=-2, \\ =3(-2)^3-8(-2)^2+23(-2)-4 \\ =3(-8)-8(4)-46-4\\=-24-32-46-4\\=-106

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