Question 172131
graph and give coordinates of the vertx 
y=f(x)=-2(x+5)^2-3 
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-2(x+5)^2 = y+3
(x+5)^2 = -(y+3)
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Vertex: (-5,-3)
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Graph:
{{{graph(400,300,-10,10,-10,10,-2(x+5)^2-3)}}}
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Cheers,
Stan H.