Find the x-intercepts of the quadratic funct f(x) = x2 – 5x – 14

Question

Find the x-intercepts of the quadratic funct
f(x) = x2 – 5x – 14

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Gianna 1 week 2021-11-25T05:21:38+00:00 1 Answer 0

Answers ( )

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    2021-11-25T05:23:25+00:00

    Answer:

    x = – 2, x = 7

    Step-by-step explanation:

    To find the x- intercepts let f(x) = 0, that is

    x² – 5x – 14 = 0 ← in standard form

    (x – 7)(x + 2) = 0 ← in factored form

    Equate each factor to zero and solve for x

    x – 7 = 0  ⇒ x = 7

    x + 2 = 0 ⇒ x = – 2

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