document.write( "Question 971861: The points (2, -7) (-2, 1) and (8,K) are all on the same slope.\r
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document.write( "How can I solve for the variable \"K\"?\r
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document.write( "Thanks for your time and effort! :) \n" );
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Algebra.Com's Answer #594249 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! slope for first two is change in y/change in x \n" ); document.write( "8-(-7)/-2-2 \n" ); document.write( "8/-4=-2\r \n" ); document.write( "\n" ); document.write( "second and third must have a slope of -2 \n" ); document.write( "k-1/8-(-2)\r \n" ); document.write( "\n" ); document.write( "(k-1)/10 equals -2 \n" ); document.write( "-20=k-1 \n" ); document.write( "k=-19\r \n" ); document.write( "\n" ); document.write( "(8,-19)\r \n" ); document.write( "\n" ); document.write( "first and third should be the same \n" ); document.write( "-19-(-7)/8-2\r \n" ); document.write( "\n" ); document.write( "-12/6 slope is -2\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |