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27 March, 05:51

What equation is y = 2x2-8x + 9 rewritten in vertex form

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  1. 27 March, 09:02
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    Y-9=2x²-8x

    y-9=2 (x²-4x)

    y-9+8=2 (x²-4x+4)

    y-1=2 (x-2) ²

    y = 2 (x-2) ² + 1
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