SOLUTION: State which two equations represent perpendicular lines: a: y = (2/3)x - 8 b: y = (-2/3)x - 6 c: y = (2/3)x - 6 d: y = (3/2)x - 6

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: State which two equations represent perpendicular lines: a: y = (2/3)x - 8 b: y = (-2/3)x - 6 c: y = (2/3)x - 6 d: y = (3/2)x - 6       Log On


   

Question 273604: State which two equations represent perpendicular lines:
a: y = (2/3)x - 8
b: y = (-2/3)x - 6
c: y = (2/3)x - 6
d: y = (3/2)x - 6

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
b) & d) are perpendicular because the slopes (-2/3 & 3/2) are negative reciprocals of the other.