SOLUTION: lines a and b are perpendicular. THe slope of line a is given. What is the slope of line b? a is 1

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Question 57907This question is from textbook geometry reasoning
: lines a and b are perpendicular. THe slope of line a is given. What is the slope of line b?
a is 1 This question is from textbook geometry reasoning

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
the slope of a perpendicular line is the negative inverse of the slope
thus if the slope is 1 for line a then -1 is the slope of line b.