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Ambition Group Title

Find a cubic function with the given zeros. 6, -5, 2

  • one year ago
  • one year ago

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  1. kirbykirby Group Title
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    A zero of a function will have the form (x-a), where a is a zero. So, to get a cubic function with those zeroes, think of how you could manipulate (x-a) to get a cubic (exponent 3) function. For example, 6 is a zero of your function, so start out writing (x-6).

    • one year ago
  2. Ambition Group Title
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    @kirbykirby I'm lost

    • one year ago
  3. precal Group Title
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    |dw:1358545266595:dw|

    • one year ago
  4. Ambition Group Title
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    @precal so I MULTIPLY all that?

    • one year ago
  5. kirbykirby Group Title
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    Yes. You don' even have to multiply it out. It's valid as it is. But you can verify that it does give you a polynomial of degree 3. (because there is just an x, and with not power, in the three terms.. you can imagine that multiplying it out will give some kind of "x^3" term)

    • one year ago
  6. Ambition Group Title
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    Thank you

    • one year ago
  7. precal Group Title
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    yes but kirbykirby is correct

    • one year ago
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