SOLUTION: How do I find out if the following lines are perpendicular, parallel or neither?
L1 through (-4,-7) and(1,3)
L2 through (2,6) and (4,10)
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Question 80715: How do I find out if the following lines are perpendicular, parallel or neither?
L1 through (-4,-7) and(1,3)
L2 through (2,6) and (4,10)
Found 2 solutions by Earlsdon, josmiceli:
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
You can do this by finding the slopes of the two lines.
If the slopes are equal, the lines are parallel, if the slopes are the negative reciprocal of each other, the lines are perpendicular.
L1:
L2:
As you can see, the slopes are equal so this means that the lines are parallel!
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Find slope, m, of each, then decide.
----------------
The slopes are the same, so L1 and L2 are parallel
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