document.write( "Question 1068172: Use the quadratic formula to solve x² + 7x + 8 = 0.\r
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document.write( "What are the solutions to the equation?\r
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document.write( "Round irrational solutions to the nearest tenth. \n" );
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Algebra.Com's Answer #683350 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Use the quadratic formula to solve x² + 7x + 8 = 0. \n" ); document.write( "What are the solutions to the equation? \n" ); document.write( "Round irrational solutions to the nearest tenth. \n" ); document.write( "------ \n" ); document.write( "x = [-7+-sqrt(49-4*8)]/(2) \n" ); document.write( "---- \n" ); document.write( "x = [-7+-sqrt(17)]/2 \n" ); document.write( "----- \n" ); document.write( "x = (-7+sqrt(17))/2 or x = (-7-sqrt(17))/2 \n" ); document.write( "---- \n" ); document.write( "x = (-7+4.1)/2 or x = (-7-4.1)/2 \n" ); document.write( "----- \n" ); document.write( "x = -1.45 or x = -5.55 \n" ); document.write( "---------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "---------- \n" ); document.write( " \n" ); document.write( " |