SOLUTION: Line l[1] has a slope of 1/2. Line l[2]is perpendicular to l[1]. What is the slope of line l[2]?

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Question 916293: Line l[1] has a slope of 1/2. Line l[2]is perpendicular to l[1].
What is the slope of line l[2]?

Found 2 solutions by MathLover1, ewatrrr:
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

if line l[1] has a slope of , and line l[2] is to l[1].
then the slope of line l[2] is negative reciprocal of
so,





example:
and line is
and line is


Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
Line l[1] has a slope of 1/2. Line l[2]is perpendicular to l[1].
What is the slope of line l[2] = -2/1 (negative reciprocal of 1/2)
slope of line l[2] = -2

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