document.write( "Question 1086383: 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
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Algebra.Com's Answer #700582 by stanbon(75887)\"\" \"About 
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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
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\n" ); document.write( "Use synthetic division::
\n" ); document.write( "-4....2....15....24....-16
\n" ); document.write( "......2....7.....-4...|..0
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\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
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\n" ); document.write( "Ans: x = -4,-4,1/2
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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