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28 March, 16:05

What is the y-coordinate of the vertex of the function y=2x^2+5x-8

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  1. 28 March, 17:38
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    The formula to find the x coordinate is - b/2a. If you plug in the variables

    -5/2 (2) = - 5/4 = - 1.25

    x = - 1.25

    Now plug in x into the y equation.

    y = - 11.125
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