document.write( "Question 1057887: (a) For the parabola y= -5x^2+7x+1 find the vertex.
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Algebra.Com's Answer #672908 by MathTherapy(10552) $\"\"$ $\"About$

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\n" ); document.write( "(a) For the parabola y= -5x^2+7x+1 find the vertex.
\n" ); document.write( "(b) Does the vertex correspond to the highest point or the lowest point on the graph?
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x-coordinate of vertex: 
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document.write( "y-coordinate of vertex:  ------ Substituting  for x in original equation
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document.write( "Vertex of parabola: 
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document.write( "As indicated by the LEADING coefficient being < 0, the parabola opens downward and will have a MAXIMUM vertex, which is its highest point. \n" );
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