SOLUTION: determine which two equations represent perpendicular lines. Fill in the blanks in alphabetical order ________and________ a) y=3x-1 b) y=1/3x+1 c) y=-1/3x+1 d) y=1/3x-1

Algebra ->  Coordinate-system -> SOLUTION: determine which two equations represent perpendicular lines. Fill in the blanks in alphabetical order ________and________ a) y=3x-1 b) y=1/3x+1 c) y=-1/3x+1 d) y=1/3x-1       Log On


   

Question 288202: determine which two equations represent perpendicular lines.
Fill in the blanks in alphabetical order ________and________
a) y=3x-1
b) y=1/3x+1
c) y=-1/3x+1
d) y=1/3x-1
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint: perpendicular lines have slopes which multiply to -1. For instance, y=%28-1%2F2%29x and y=2x are perpendicular since their slopes of -1%2F2 and 2 multiply to %28-1%2F2%29%282%29=-2%2F2=-1