document.write( "Question 709444: How do I find the vertex when it isn't in standard form and not a whole number?
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document.write( "f(x) = -4x^2-3x-5
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document.write( "I tried x of vertex = -b/2a
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document.write( "3/12
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document.write( "y of vertex I plugged 3/12 into the problem and then got lost. \n" );
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Algebra.Com's Answer #436584 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How do I find the vertex when it isn't in standard form and not a whole number? \n" ); document.write( "f(x) = -4x^2-3x-5 \n" ); document.write( "I tried x of vertex = -b/2a = 3/(-8) = -3/8 \n" ); document.write( "----------------------\r \n" ); document.write( "\n" ); document.write( "plug -3/8 into the problem to get (-4(-3/8)^2) -3(-3/8)-5 = -4.438.. \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=============== \n" ); document.write( " \n" ); document.write( " |