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25 August, 20:02

What is the vertex form of y = x2 + 8x - 3

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  1. 25 August, 20:16
    0
    (-4,-19)

    Step-by-step explanation:

    y = x² + 8x - 3

    y = x² + 2 (x) (4) + 4² - 4² - 3

    y = (x + 4) ² - 16 - 3

    y = (x + 4) ² - 19

    Vertex: (-4,-19)
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