Use the parabola tool to graph the quadratic function. f(x)=2x^2+4x−16 Graph the parabola by first plott

Question

Use the parabola tool to graph the quadratic function.

f(x)=2x^2+4x−16

Graph the parabola by first plotting its vertex and then plotting a second point on the parabola.

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Quinn 1 week 2021-09-09T10:43:04+00:00 1 Answer 0

Answers ( )

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    2021-09-09T10:44:05+00:00

    Answer:

    f(x) = 2x² + 4x – 16

    = 2(x² + 2x) – 16

    = 2(x² + 2(x)(1) + 1² – 1²) – 16

    = 2(x + 1)² – 2 – 16

    = 2(x + 1)² – 18

    Vertex: (-1, -18) minimum

    Second point can be the y-intercept:

    (0, -16)

    It should be a concave up

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45:7+7-4:2-5:5*4+35:2 =? ( )