SOLUTION: 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.Com
Question 751635: 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 Cromlix(4381) (Show Source): You can put this solution on YOUR website!
5x - 6y = 19
6x + 5y = -30
Sort into y = mx + c
6y = 5x - 19
y = 5/6x - 19/6
5y = -6x - 30
y = -6/5x - 6
As the two gradients 5/6 and -6/5
multiply together to make -1,
the two lines are perpendicular
to each other. (b)
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