document.write( "Question 1147584: Find the quadratic which has a remainder of -6 when divided by x-1,
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document.write( "a remainder of -4 when divided by x-3, and no remainder when divided
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document.write( "by x+1. \n" );
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Algebra.Com's Answer #769000 by Edwin McCravy(20060)![]() ![]() You can put this solution on YOUR website! Find the quadratic \n" ); document.write( " \r\n" ); document.write( "let the quadratic be Q(x) = Ax²+Bx+C\r\n" ); document.write( " \n" ); document.write( "which has a remainder of -6 when divided by x-1,\r \n" ); document.write( "\n" ); document.write( "By the remainder theorem Q(1) = A(1)²+B(1)+C = 6 \n" ); document.write( " A + B + C = 6 \n" ); document.write( "a remainder of -4 when divided by x-3, \n" ); document.write( " \r\n" ); document.write( "By the remainder theorem Q(3) = A(3)²+B(3)+ C = 6\r\n" ); document.write( " 9A + 3B + C = 6\r\n" ); document.write( " \n" ); document.write( "and no remainder when divided by x+1. \n" ); document.write( " \r\n" ); document.write( "By the remainder theorem Q(-1) = A(-1)²+B(-1)+C = 0\r\n" ); document.write( " A - B + C = 0\r\n" ); document.write( "So solve this system of equations:\r\n" ); document.write( "\r\n" ); document.write( "\n" ); document.write( " |