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20 December, 03:14

What is the vertex of the graph of the function f (x) = x2 + 8x - 2?

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Answers (1)
  1. 20 December, 05:38
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    The vertex is at (-4, - 18).

    Step-by-step explanation:

    f (x) = x^2 + 8x - 2

    Covert to vertex form:

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

    f (x) = (x + 4) ^2 - 18.

    So the vertex is at

    (-4, - 18).
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