document.write( "Question 1086383: Find all rational zeros of the polynomial. (Enter your answers as a comma-separated list. Enter all answers including repetitions.)
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document.write( "P(x)=2x^3+15x^2+24x-16 \n" );
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Algebra.Com's Answer #700582 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find all rational zeros of the polynomial. (Enter your answers as a comma-separated list. Enter all answers including repetitions.) \n" ); document.write( "P(x)=2x^3+15x^2+24x-16 \n" ); document.write( "Graph to find zero at -4 \n" ); document.write( "--- \n" ); document.write( "Use synthetic division:: \n" ); document.write( "-4....2....15....24....-16 \n" ); document.write( "......2....7.....-4...|..0 \n" ); document.write( "----- \n" ); document.write( "Use quadratic equation:: \n" ); document.write( "x = [-7+-sqrt(49-4*2*-4)]/4 \n" ); document.write( "x = [-7+- sqrt(81)]/4 \n" ); document.write( "x = (-7+9)/4 or x = (-7-9)/4 \n" ); document.write( "x = -4 or x = 1/2 \n" ); document.write( "------------- \n" ); document.write( "Ans: x = -4,-4,1/2 \n" ); document.write( "----------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------------------ \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |