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1 November, 20:46

Given f (x) = x2+8x+13 .

Enter the quadratic function in vertex form

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Answers (2)
  1. 1 November, 20:49
    0
    assuming x2 is x^2:

    f (x) = (x+4) ^2 - 3

    Step-by-step explanation:

    1. move c to f (x) side

    2. make sure a=1

    3. (b/2) ^2

    4. add the solution of 3 on both sides

    5. factor the right side using the shortcut

    6. add c back to the other side
  2. 1 November, 20:51
    0
    Step-by-step explanation:

    f (x) = x²+8x+13

    f (x) = (x²+8x+16) - 16+13

    f (x) = (x+4) ² - 3 ... vertex form

    .
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