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Thread: Polynomials

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    Polynomials

    Help please


    Polynomial P(x) = ax^3 - bx^2 +cx -8 has zeros at 2 and -1 and P(3) =28 Find the values of a,b and c

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    Re: Polynomials

    By the Factor Theorem, and .

    .

    Solving these equations will give you the values of .
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    Re: Polynomials

    But a 2U student may not know how to solve a system of 3 linear equations in 3 unknowns.
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    Re: Polynomials

    Polynomials is an Extension 1 topic anyway.

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