document.write( "Question 452706: Find the vertex of the graph of y=-4x^2+3x-3
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Algebra.Com's Answer #311145 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Find the vertex of the graph of y=-4x^2+3x-3 \n" ); document.write( "------------- \n" ); document.write( "The vertex is on the line of symmetry \n" ); document.write( "x = -b/2a is the LOS \n" ); document.write( "x = -3/-8 = 3/8 \n" ); document.write( "-------------- \n" ); document.write( "y = -4(3/8)^2 + 3(3/8) - 3 \n" ); document.write( "y = -36/64 + 72/64 - 192/64 = -156/64 \n" ); document.write( "y = -39/16 \n" ); document.write( "Vertex @ (3/8,-39/16) \n" ); document.write( " |