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12 July, 19:02

Express the function y = 2 x 2 + 8 x + 1 in vertex form.

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  1. 12 July, 19:47
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    y = 2 (x + 2) ² - 7

    Step-by-step explanation:

    y = 2x² + 8x + 1

    = 2x² + 8x + 8 - 8 + 1

    = 2 (x² + 4x + 4) - 8 + 1

    = 2 (x + 2) ² - 7
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