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Find the vertex of the parabola x = -2y^2 + 5y + 7.  I'm confused, because x is a function of y.

 Jul 5, 2020
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  This is a SIDEWAYS parabola.... you find the vertex the same way as before

     the 'y' coordinate of the vertex is given by    - b/2a     where    b = 5   and   a = -2

       use this value of 'y' in the equation to find the 'x' coordinate of the vertex......

 Jul 5, 2020

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