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23 January, 09:37

Write the quadratic function in standard form. y = (x + 1) ^2 - 8

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  1. 23 January, 11:13
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    y = x² + 2x - 7

    Step-by-step explanation:

    The standard form of a quadratic is y = ax² + bx + c : a ≠ 0

    Given

    y = (x + 1) ² - 8 ← expand factor using FOIL

    = x² + 2x + 1 - 8

    = x² + 2x - 7 ← in standard form
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