document.write( "Question 380407: 17. Find the slope of the line that is (a) parallel and (b) perpendicular to the line through the pair of points.\r
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document.write( "(-7,-2) and (1,7)\r
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document.write( "Type an integer or simplified fraction. \n" );
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Algebra.Com's Answer #270037 by mananth(16946)![]() ![]() You can put this solution on YOUR website! (-7,-2) and (1,7) \n" ); document.write( "... \n" ); document.write( "slope m of a line = (y2-y1)/(x2-x1) \n" ); document.write( "m=(7-(-2))/(1-(-7)) \n" ); document.write( "m=9/8 \n" ); document.write( ".. \n" ); document.write( "The line parallel to the line passing through above points will have same slope \n" ); document.write( "m= 9/8 \n" ); document.write( "... \n" ); document.write( "For line perpedicular it will have a slope which is negative reciprocal of the slope \n" ); document.write( "m=-8/9 \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |