document.write( "Question 753258: Find the number of solutions of each equation.\r
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document.write( "1) x^2 + 8 = 0\r
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document.write( "2) 2x^2 + x = 0\r
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document.write( "3) 3x^2 - 9x = -5 \n" );
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Algebra.Com's Answer #458296 by josgarithmetic(39627) ![]() You can put this solution on YOUR website! Any quadratic equation could have two or fewer solutions. Use the discriminant. Here is the systematic way:\r \n" ); document.write( "\n" ); document.write( "DISCRIMINANT____ SOLUTIONS \n" ); document.write( "positive______________2 \n" ); document.write( "zero________________1 \n" ); document.write( "negative____________0 (but there will be two imaginary or complex) \n" ); document.write( " |