document.write( "Question 494740: Given the quadratic equation y=2x^2+4x-1 find the coordinates of the vertex. \n" ); document.write( "
Algebra.Com's Answer #335774 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The vertex of the graph of the parabola described by\r
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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