document.write( "Question 118532: For the quadratic equation x^2 + kx +7 =0, if 3+sqrt2 is a root, what is the value of k ?
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document.write( "I said 6 but my teacher marked it wrong. Please help me :) \n" );
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Algebra.Com's Answer #86640 by tutor_paul(519)![]() ![]() You can put this solution on YOUR website! if something is a \"root,\" it means it is a value for x which satisfies the equation. So plug the root in for x ans solve for k: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |