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babydoll332 Group Title

Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in standard form. 7, -11, and 2 + 8i

  • 2 years ago
  • 2 years ago

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  1. babydoll332 Group Title
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    f(x) = x4 - 9x3 + 56x2 - 290x + 5236

    • 2 years ago
  2. Outkast3r09 Group Title
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    are you asking me to check this?

    • 2 years ago
  3. babydoll332 Group Title
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    yes:)

    • 2 years ago
  4. Outkast3r09 Group Title
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    |dw:1349656420770:dw|

    • 2 years ago
  5. Outkast3r09 Group Title
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    |dw:1349656681165:dw|

    • 2 years ago
  6. Outkast3r09 Group Title
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    is this what you multiplied together?

    • 2 years ago
  7. babydoll332 Group Title
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    yes

    • 2 years ago
  8. Outkast3r09 Group Title
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    then i'd assume you got the right answer let me use wolfram

    • 2 years ago
  9. babydoll332 Group Title
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    f(x) = x4 - 25x2 + 580x - 5236

    • 2 years ago
  10. babydoll332 Group Title
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    thanks sooo much :)

    • 2 years ago
  11. Outkast3r09 Group Title
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    http://www.wolframalpha.com/input/?i=%28x-7%29%28x%2B11%29%28x-%282%2B8i%29%29%28x-%282-8i%29%29

    • 2 years ago
  12. Outkast3r09 Group Title
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    look at alternate forms =P

    • 2 years ago
  13. Outkast3r09 Group Title
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    it's correct

    • 2 years ago
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