document.write( "Question 249182: Calculate the discriminant of 9x^2+5x-11=0\r
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document.write( "This is what I already tried:
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document.write( "5x^2-4(9)(-11)
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document.write( "25-4(9)(-11)
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document.write( "25-396
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document.write( "-371 \n" );
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Algebra.Com's Answer #181559 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Calculate the discriminant of 9x^2+5x-11=0 \n" ); document.write( "------------ \n" ); document.write( "a = 9 \n" ); document.write( "b = 5 \n" ); document.write( "c = -11 \n" ); document.write( "------- \n" ); document.write( "Disc = b^2 - 4ac = 25 + 396 \n" ); document.write( "Disc = 421 \n" ); document.write( "---------- \n" ); document.write( "You subtracted the 396. -4*9*-11 = +396 \n" ); document.write( " \n" ); document.write( " |