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angelwings996

  • 3 years ago

What is a polynomial function in standard form with zeros 1, 2, -3 and -3? a. g(x) = x^4 + 3x^3 - 7x^2 - 15x + 18 b. g(x) = x^4 + 3x^3 - 7x^2 + 2x + 18 c. g(x) = x^4 - 3x^3 + 7x^2 + 15x + 18 d. g(x) = x^4 - 3x^3 -7x^2 + 15x + 18

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  1. Koikkara
    • 3 years ago
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    not sure....guess <<C >>.

  2. precal
    • 3 years ago
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    |dw:1357249454342:dw|multiply it all out

  3. Koikkara
    • 3 years ago
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    zeros at 0,4 and -1, means that P(x) = (x)(x-4)(x+1) = x(x² -3x -4) = x³ -3x² - 4x that's it! ;

  4. pathosdebater
    • 3 years ago
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    Definitely A

  5. angelwings996
    • 3 years ago
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    Lol okay, how did you get that ?

  6. precal
    • 3 years ago
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    |dw:1357249983295:dw|

  7. pathosdebater
    • 3 years ago
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    I graphed it. The points where the graph intersected with x = 0 are your answers.

  8. pathosdebater
    • 3 years ago
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  9. angelwings996
    • 3 years ago
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    Oh, I see. Okay thank you!

  10. precal
    • 3 years ago
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    |dw:1357250010393:dw|I expanded it

  11. precal
    • 3 years ago
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    |dw:1357250085287:dw|

  12. angelwings996
    • 3 years ago
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    Okay thanks you guys, I get it now (:

  13. precal
    • 3 years ago
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    hope that helps

  14. angelwings996
    • 3 years ago
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    It does! Thanks (:

  15. precal
    • 3 years ago
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    yw

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