SOLUTION: Lines l1 and l2 pasa through the given points. Determine if l1 and l2 are parallel, perpendicular, or neither. l1: (1,3) and (0,0) l2: (0,7) and (-2,1)

SOLUTION: Lines l1 and l2 pasa through the given points. Determine if l1 and l2 are parallel, perpendicular, or neither. l1: (1,3) and (0,0) l2: (0,7) and (-2,1)

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Question 1126400: Lines l1 and l2 pasa through the given points. Determine if l1 and l2 are parallel, perpendicular, or neither.
l1: (1,3) and (0,0)
l2: (0,7) and (-2,1)
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Find slope of each.
Compare.

Equal? Parallel.
Negative Reciprocals? Perpendicular.
Neither? Then neither.

To be sure, in case equal slopes, check if the two are or are not the same line.
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