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3 September, 10:52

Don completes the square for the function y=x^2+6x+3. which of the following function reveals the vertex of the parabola?

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  1. 3 September, 13:05
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    X^2+6x+3=y

    x^2+6x+9=-3+9

    (x+3) ^2=6

    (-6/2) = - 3

    (-3) ^2+6 (-3) + 9=6

    9-18+9=6

    y=-6
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