document.write( "Question 979773: are the line (-20,5)and (-4,7) and the line through (5,-5) and (7,4) parallel, perpendicular or neither? \n" ); document.write( "
Algebra.Com's Answer #601026 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! are the line (-20,5)and (-4,7) and the line through (5,-5) and (7,4) parallel, perpendicular or neither? \n" ); document.write( "----------- \n" ); document.write( "Find the slope of each line, m1 & m2. \n" ); document.write( "If m1 = m2 --> parallel (or coincident) \n" ); document.write( "If m1 = -m2 --> perpendicular \n" ); document.write( "o/w neither. \n" ); document.write( " |