document.write( "Question 176879: Write a polynomial function with rational coefficients in standard form with the given zeros.\r
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document.write( "[] means squre root\r
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document.write( "10. 2, 3, 5 \r
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document.write( "11. [3] 2i \n" );
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Algebra.Com's Answer #132263 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Write a polynomial function with rational coefficients in standard form with the given zeros. \n" ); document.write( "[] means square root\r \n" ); document.write( "\n" ); document.write( "10. 2, 3, 5 \n" ); document.write( "Three factors: (x-2)(x-3)(x-5) \n" ); document.write( "FOIL (x-2)*(x-3) = (x^2 - 5x + 6) multiply this by (x-5), you should get: \n" ); document.write( "x^3 - 10x^2 + 31x - 30 \n" ); document.write( ": \n" ); document.write( "11. \n" ); document.write( "x^2 = ( \n" ); document.write( "x^2 = 3 \n" ); document.write( "(x^2 - 3) = 0; one factor \n" ); document.write( ": \n" ); document.write( "x = 2i \n" ); document.write( "x^2 = (2i)^2 \n" ); document.write( "x^2 = 4i^2 \n" ); document.write( "x^2 = 4(-1) \n" ); document.write( "x^2 = -4 \n" ); document.write( "(x^2 + 4) = 0 the other factor \n" ); document.write( ": \n" ); document.write( "FOIL (x^2 - 3)*(x^2 + 4) = x^4 + 4x^2 - 3x^2 - 12 = (x^4 + x^2 - 12) \n" ); document.write( " \n" ); document.write( " |