document.write( "Question 1188667: Locate the zeroes of each polynomial function.
\n" ); document.write( "a. (x)= x³-4x²-9x+3
\n" ); document.write( "b. (x)= 2x³-x-4
\n" ); document.write( "c. (x)= x³-7x²+5x+1
\n" ); document.write( "d. (x)= x⁴-8x³+54x+105 \n" ); document.write( "

Algebra.Com's Answer #819811 by ikleyn(52788) $\"\"$ $\"About$

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document.write( "(a) The roots of the polynomial  x^3 - 4x^2 - 9x + 3  are\r\n" );
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document.write( "         = 0.29703...\r\n" );
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document.write( "         = −1.82654...\r\n" );
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document.write( "         = 5.52951...\r\n" );
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document.write( "Explanation:\r\n" );
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document.write( "This polynomial has no rational roots that can be found using Rational Root Test.\r\n" );
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document.write( "Roots were found using cubic formulas.\r\n" );
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