SOLUTION: Help me please figure this out. I don't get it??? Are the following lines parallel, perpendicular, or neither? L1 through (�4, �7) and (1, 3) L2 through (2, 6) and (4, 1

Question 73811: Help me please figure this out. I don't get it???
Are the following lines parallel, perpendicular, or neither?
L1 through (�4, �7) and (1, 3)
L2 through (2, 6) and (4, 10)
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Call the slopes and
They are parallel if
They are perpendicular if
Now find the slopes, which is (change in y) / (change in x)

, so the lines are parallel
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