The graph of y=4x^2+16x-18 has an axis of symmetry at x=___

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The graph of y=4x^2+16x-18 has an axis of symmetry at x=___

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Edana Edana 4 years 2021-08-17T06:51:12+00:00 1 Answers 13 views 0

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  1. King
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    2021-08-17T06:52:45+00:00
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    Answer:

    x = – 2

    Step-by-step explanation:

    Given

    y = 4x² + 16x – 18

    with a = 4, b = 16 , then the equation of the axis of symmetry is

    x = – \frac{b}{2a} = – \frac{16}{8} = – 2

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )