document.write( "Question 690020: What is the vertex in the quadratic equation x2 + 8x + 7 = y?\r
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document.write( "Input your answer in the form: (x, y) \n" );
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Algebra.Com's Answer #426137 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! What is the vertex in the quadratic equation x2 + 8x + 7 = y? \n" ); document.write( "Input your answer in the form: (x, y) \n" ); document.write( "-------- \n" ); document.write( "Conplete the square: \n" ); document.write( "y = x^2 + 8x + 16 + 7 - 16 \n" ); document.write( "----- \n" ); document.write( "y = (x+4)^2 - 9 \n" ); document.write( "---- \n" ); document.write( "Vertex: (-4,-9) \n" ); document.write( "================= \n" ); document.write( " \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================= \n" ); document.write( " \n" ); document.write( " |