Mathematics, 20.03.2020 01:34, ari313

A quadratic of the form -2x^2 + bx + c has roots of x = 3 + sqrt(5) and x = 3-sqrt(5). The graph of y = -2x^2 + bx + c is a parabola. Find the vertex of this parabola. Can someone please just explain this? I increased points cuz I need this asap PLEASE People these days, Of Course someone will just leave a blank answer
I POSTED THIS 2 TIMES ALREADY
I get a blank answer. I wish we could report people for doing that.

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A quadratic of the form -2x^2 + bx + c has roots of x = 3 + sqrt(5) and x = 3-sqrt(5). The graph of...