document.write( "Question 1207449: Show that the sum of the roots of a quadratic equation is -b/a.\r
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document.write( "I know this involves the quadratic formula but not sure of the set up.
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document.write( "Do I add or multiply two quadratic formulas to get -b/a? \n" );
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Algebra.Com's Answer #845313 by ikleyn(52782)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The word \"sum\" means \"add\" (in case if you do not understand the meaning of the word \"sum\").\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Write the quadratic formulas for the two roots and add them to get the formula for the sum of the roots.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |