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sarahc

  • 3 years ago

Find the remainder when f(x) = x3 – 14x2 + 51x – 22 is divided by x – 7. 36 8 –8 –36

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  1. robtobey
    • 3 years ago
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    -8 Verify that the above is correct by synthetic division. http://www.purplemath.com/modules/synthdiv.htm http://mathportal.org/calculators/polynomials-solvers/synthetic-division-calculator.php

  2. sarahc
    • 3 years ago
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    What are the possible rational zeros of f(x) = x4 + 6x3 – 3x2 + 17x – 15? ± 1, ± 3, ± 5, ± 15 ± 1, ± , ± , ± ± 1, ± 3, ± 6, ± 15, ± 17 ± 1, ± , ± , ± , ± Would A be the correct answer? :) thank you for the help!

  3. sarahc
    • 3 years ago
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    @robtobey

  4. robtobey
    • 3 years ago
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    Mathematica cannot factor\[x^4+6 x^3-3 x^2+17 x-15 \]There are two real roots {x=-6.84742},{x=0.793705} A plot is attached.

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  5. sarahc
    • 3 years ago
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    Hmm, okay

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