document.write( "Question 147887: Give the exact and approximate solutions of three decimal places.
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document.write( "x^2+7x-3\r
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document.write( "exact=\r
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document.write( "approximate (3 decimal places.) \n" );
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Algebra.Com's Answer #108262 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Give the exact and approximate solutions of three decimal places. \n" ); document.write( "x^2+7x-3 \n" ); document.write( "exact= \n" ); document.write( "x = [-7 +- sqrt(49 - 4*1*-3)]/2 \n" ); document.write( "x = [-7 +- sqrt(61)]/2 \n" ); document.write( "x = (-7 + sqrt(61)]/2 or x = (-7-sqrt(61)]/2 \n" ); document.write( "---------------------------------------------------- \n" ); document.write( "approximate \n" ); document.write( "x = (-7 + 7.8102)/2 = 0.405.. or x = (-7-7.8102)/2 = -7.405.. \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |