30-06-2016
Mathematics

contestada

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

Respuesta :

texaschic101 texaschic101

30-06-2016

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.

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