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12 June, 02:25

Using the completing-the-square method, rewrite f (x) = x2 - 8x + 3 in vertex form.

f (x) = (x - 3) 2

f (x) = (x - 4) 2 - 13

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

f (x) = (x - 4) 2 + 16

+4
Answers (1)
  1. 12 June, 02:27
    0
    B

    Step-by-step explanation:

    Given

    f (x) = x² - 8x + 3

    To complete the square

    add/subtract (half the coefficient of the x - term) ² to x² - 8x

    x² + 2 ( - 4) x + 16 - 16 + 3

    (x - 4) ² - 13 ← in vertex form → B
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