SOLUTION: The slope of line b is 1/3. The slope of a line perpendicular to line b is __________. Option A: 3 Option B: 1/3 Option C: -1/3 Option D: –3

Algebra ->  Graphs -> SOLUTION: The slope of line b is 1/3. The slope of a line perpendicular to line b is __________. Option A: 3 Option B: 1/3 Option C: -1/3 Option D: –3      Log On


   

Question 942509: The slope of line b is 1/3. The slope of a line perpendicular to line b is __________.
Option A: 3
Option B: 1/3
Option C: -1/3
Option D: –3
Answer by MathLover1(20850) About Me  (Show Source):
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The slope of line b is 1%2F3. The slope of a line perpendicular to line b is negative reciprocal of 1%2F3:
-1%2F%281%2F3%29=-3%2F1=-3
Option D: -3