Find the equation of the axis of symmetry of the graph of y = (x + 3)^2 – 5.

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Find the equation of the axis of symmetry of the graph of y = (x + 3)^2 – 5.

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Bình An 4 years 2021-07-27T17:30:34+00:00 1 Answers 19 views 0

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  1. mocmien2
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    2021-07-27T17:31:34+00:00
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    Answer:

    equation of the axis of symmetry is   x = – 3

    Step-by-step explanation:

    Recall that the axis of symmetry of a quadratic is the vertical line of the form

    x = x vertex

    and in our case the x position of the vertex is x = -3 because the expression for the quadratic is given in VERTEX form, and the x of the vertex is evident from the number that is added to x inside the parenthesis,

    then, the equation of the axis of symmetry is:

    x = – 3

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