SOLUTION: The lines l1 and l2 are perpendicular. The slope of L1 is -2/7. Find the slope of L2.

Algebra ->  Graphs -> SOLUTION: The lines l1 and l2 are perpendicular. The slope of L1 is -2/7. Find the slope of L2.      Log On


   

Question 1071270: The lines l1 and l2 are perpendicular. The slope of L1 is -2/7. Find the slope of L2.
Answer by Boreal(15235) About Me  (Show Source):
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Perpendicular lines have a negative reciprocal product to their slope. Invert the slope and change the sign.
L2 has a slope of 7/2.