document.write( "Question 1183005: f(x) = 2x^3 + 11x^2 - 21x - 90. (10)
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document.write( "a. Use the rational zero test to list all possible rational zeros of f.
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document.write( "I found these to be x= 3,-5/2,-6
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document.write( "b. Write f as a product of linear factors algebraically. Show all your work
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document.write( "including synthetic division. \n" );
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Algebra.Com's Answer #813139 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! 90 is 2*3*3*5.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "To find all possible roots according to the theorem, \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Plus and minus of : \n" ); document.write( "90/2, 45/2, 18/2, 15/2, 10/2, 9/2, 5/2, 3/2, 2/2, 6/2 \n" ); document.write( "which are \n" ); document.write( "45, 45/2, 9, 15/2, 5, 9/2, 5/2, 3/2, 1/2, 3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "and the plus and minus of : \n" ); document.write( "90, 45, 18, 15, 10, 9, 5, 3, 2, 1, 6 \n" ); document.write( " |