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puppy33

  • 2 years ago

Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in standard form. 4, -8, and 2 + 3i

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  1. ZeHanz
    • 2 years ago
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    It is good to know that when 2+3i is a zero, then 2-3i is also a zero...

  2. puppy33
    • 2 years ago
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    but what do i do with the rest ? i really dont get it

  3. ZeHanz
    • 2 years ago
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    You can now write down the factored form of the polynomial: (x-4)(x+8)(x-2-3i)(x-2+3i) After expanding you have the standard form...

  4. ZeHanz
    • 2 years ago
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    Expanding hint: ((x-2)-3i)((x-2)+3i) is of the form (a-b)(a+b)=a²-b²

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