document.write( "Question 785674: Find the value of k so that the given points are sqrt 82 units apart. (-5, -7), (k,2)\r
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Algebra.Com's Answer #477672 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find the value of k so that the given \n" ); document.write( "points are sqrt 82 units apart. (-5, -7), (k,2) \n" ); document.write( "------- \n" ); document.write( "(k+5)^2 + (2+7)^2 = 82 \n" ); document.write( "-------------- \n" ); document.write( "k^2 + 10k + 25 + 81 = 82 \n" ); document.write( "---- \n" ); document.write( "k^2 + 10k + 25 = 1 \n" ); document.write( "(k+5)^2 = 1 \n" ); document.write( "k+5 = 1 or k+5 = -1 \n" ); document.write( "k = -4 or k = -6 \n" ); document.write( "============= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |