SOLUTION: Without graphing, determine whether the following pairs of lines are (a) parallel, (b) perpendicular, or (c) neither parallel nor perpendicular: 5x-6y=19 6x+5y=-30

Algebra ->  Linear-equations -> SOLUTION: Without graphing, determine whether the following pairs of lines are (a) parallel, (b) perpendicular, or (c) neither parallel nor perpendicular: 5x-6y=19 6x+5y=-30      Log On


   

Question 412566: Without graphing, determine whether the following pairs of lines are (a) parallel, (b) perpendicular, or (c) neither parallel nor perpendicular:
5x-6y=19
6x+5y=-30
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Decide whether the pair of lines is parallel, perpendicular or neither.

5x-6y=19    OR  y = (5/6)x - 19/6     | m = 5/6

6x+5y=-30   OR  y = (-6/5)x -6        | m = -6/5

Lines are perpendicular as  5/6*-6/5 = -1