SOLUTION: Determine which two equations represent perpendicular lines. a. y= 9x-3 b. y= 1/9x+3 c. y= -1/9x+3 d. y= 1/9x-3

Algebra ->  Graphs -> SOLUTION: Determine which two equations represent perpendicular lines. a. y= 9x-3 b. y= 1/9x+3 c. y= -1/9x+3 d. y= 1/9x-3      Log On


   

Question 105474: Determine which two equations represent perpendicular lines.
a. y= 9x-3
b. y= 1/9x+3
c. y= -1/9x+3
d. y= 1/9x-3
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
A & C BECAUSE THEY HAVE SLOPES THAT ARE NEGATIVE RECIPROCALS OF EACH OTHER
9 & -1/9