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24 May, 14:33

What is the axis of symmetry of h (x) = - 2x2 + 12x - 3?

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  1. 24 May, 15:41
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    The axis of symmetry is the x value of the vertex

    we have a handy-dandy way of finding that from standard form, ax^2+bx+c=y

    for

    ax^2+bx+c=y

    the x value of the vertex is - b/2a

    y=-2x^2+12x-3

    -b/2a=-12 / (2*-2) = - 12/-4=3

    x=3 is the axis of symmetry
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