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pottersheep Group Title

Grade 12 Polynomial Functions help please ~

  • one year ago
  • one year ago

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  1. pottersheep Group Title
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    When 3x^2 + 10 x -3 is divided by x+ k , the remainder is 5. Determine values of k.

    • one year ago
  2. mukushla Group Title
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    according to the remainder theorem u can write\[3x^2+10x-3=(x+k)Q(x)+r\]

    • one year ago
  3. mukushla Group Title
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    u have r as 5

    • one year ago
  4. mukushla Group Title
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    so\[3x^2+10x-3=(x+k)Q(x)+5\]now let x=-k and solve for k

    • one year ago
  5. mukushla Group Title
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    \[3k^2-10k-3=(-k+k)Q(k)+5\]????

    • one year ago
  6. pottersheep Group Title
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    Thanks

    • one year ago
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