document.write( "Question 122750: Are the following lines parallel, perpendicular, or neither?\r
\n" ); document.write( "\n" ); document.write( "L1 through (-4,-7) and (1,3)
\n" ); document.write( "L2 through (2,6) and (4,10)
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Algebra.Com's Answer #90110 by checkley71(8403)\"\" \"About 
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SLOPE FOR L1=(3+7)/(1+4)=10/5=2
\n" ); document.write( "SLOPE FOR L2=(10-6)/(4-2)=4/2=2
\n" ); document.write( "THESE 2 LINE ARE PARALLEL BECAUSE THEY HAVE THE SAME SLOPE.
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