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24 March, 18:51

What is the y-value of the vertex of 4x (squared) + 8x-8

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  1. 24 March, 21:15
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    f (x) = -3 (x^2+6x) - 35

    f (x) = -3 (x^2+6x+9) + 3*9-35

    f (x) = -3 (x^2+6x+9) + 27-35

    f (x) = -3 (x+3) ^2-8

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