document.write( "Question 314553: A line contains points (2, -2) and (-4, 1). Another line graphed in the same coordinate plane contains points (1, 2) and (-3, 4). Based on the slopes of these lines, are they parallel, perpendicular or neither? \n" ); document.write( "
Algebra.Com's Answer #224921 by Fombitz(32388)\"\" \"About 
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First, calculate the slopes.
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\n" ); document.write( "\"m1=%281-%28-2%29%29%2F%28-4-2%29=3%2F%28-6%29=-%281%2F2%29\"
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\n" ); document.write( "Parallel lines have identical slopes.
\n" ); document.write( "The two lines are parallel.
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