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Two lines are perpendicular. The slope of one line is -2, What is the slope of the other line? A. 1/2 B. -1/2 C. -2 D. 2
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3 votes
Two lines are perpendicular. The slope of one line is -2, What is the slope of the other line?

A. 1/2

B. -1/2

C. -2

D. 2

User Sw
by
9.3k points

1 Answer

3 votes
perpendicular lines have negative reciprocal slopes. All that means is " flip " the slope and change the sign.
slope = -2, or -2/1....so flip the slope...-1/2...and change the sign...1/2.
so the perpendicular slope would be 1/2.
User SteveTurczyn
by
8.3k points
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