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15 October, 03:23

Which quadratic function is represented by the table?

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Answers (1)
  1. 15 October, 03:49
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    B) f (x) = 3x² - 2x + 5

    Step-by-step explanation:

    To find the correct quadratic function that represents the table, you must substitute [x] into the quadratic function.

    A) f (x) = 3x² + 2x - 5

    B) f (x) = 3x² - 2x + 5

    C) f (x) = 2x² + 3x - 5

    D) f (x) = 2x² - 2x + 5

    A. 3 (-2) ² + 2 (-2) - 5 =

    3 (4) - 4 - 5

    12 - 4 - 5

    12 - 9

    = 3

    B. 3 (-2) ² - 2 (-2) + 5 =

    3 (4) + 4 + 5

    12 + 9

    = 21

    C. 2 (-2) ² + 3 (-2) - 5 =

    2 (4) - 6 - 5

    8 - 11

    = - 3

    D. 2 (-2) ² + 2 (-2) + 5 =

    2 (4) - 4 + 5

    8 - 4 + 5

    8 + 1

    = 9

    Your correct answer is: B
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