document.write( "Question 277103: what are the coordinates of the vertex of
\n" ); document.write( "p=-1/2s^2+280s-1200
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Algebra.Com's Answer #201801 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
It's the same as all of them, at s = -b/2a
\n" ); document.write( "s = -280/(-2*(-1/2)) = 280
\n" ); document.write( "Sub 280 for s, find p
\n" ); document.write( "That's it.
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