document.write( "Question 1133449: Two points are given from each of two lines L1 and L2. Without graphing the points, determine if the lines are perpendicular, parallel, or neither.
\n" ); document.write( " L1: (-4,-2) and (-6,-6)
\n" ); document.write( " L2: (-4,-4) and (0,-6)
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Algebra.Com's Answer #750669 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Find the slope of each line.
\n" ); document.write( "Call them m1 and m2.
\n" ); document.write( "If mi = m2, they're parallel.
\n" ); document.write( "If m1 = -1/m2, they're perpendicular.
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\n" ); document.write( "If neither of the above, they're neither.
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\n" ); document.write( "I swear I did not graph them.
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