document.write( "Question 111443: Tell whether the line that passes through the two given points is parallel or perpendicular or neither to a line with a slope of -2.\r
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document.write( "(5,3),(7,-1)
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document.write( "(5,3),(7,-3)
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document.write( "(5,3),(7,4) \n" );
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Algebra.Com's Answer #81334 by elima(1433)![]() ![]() ![]() You can put this solution on YOUR website! Tell whether the line that passes through the two given points is parallel or perpendicular or neither to a line with a slope of -2.\r \n" ); document.write( "\n" ); document.write( "(5,3),(7,-1) \n" ); document.write( "(5,3),(7,-3) \n" ); document.write( "(5,3),(7,4) \n" ); document.write( "================================== \n" ); document.write( "Parallel lines have the same slope \n" ); document.write( "Perpendicular lines have negative reciprocal slope \n" ); document.write( "======================================================== \n" ); document.write( "Use the point-slope formula; \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Same slope, line is parallel \n" ); document.write( "-------------------------------------- \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "neither \n" ); document.write( "----------------------------------- \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Negative reciprocal of -2, so line is perpendicular \n" ); document.write( ":) \n" ); document.write( " \n" ); document.write( " |