SOLUTION: eahc line contains the given points (a)find the slope of each line (b) determine if the lines parallel, perpendicular, or neither. L1: (-3,3) and (9,11) L2: (-15,9) and (0,19)

Algebra ->  Equations -> SOLUTION: eahc line contains the given points (a)find the slope of each line (b) determine if the lines parallel, perpendicular, or neither. L1: (-3,3) and (9,11) L2: (-15,9) and (0,19)      Log On


   

Question 671348: eahc line contains the given points (a)find the slope of each line (b) determine if the lines parallel, perpendicular, or neither.
L1: (-3,3) and (9,11)
L2: (-15,9) and (0,19)
Answer by solver91311(24713) About Me  (Show Source):
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Use the slope formula to find the two slopes:



where and are the coordinates of the given points.

Then use:






to determine if the two lines are parallel, perpendicular, or neither.

John

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