Asked by Mr.Brain

Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3).

can you tell me how to do it and show the answer

Thanks!
Answered by Steve
the slope of the line joining the points is ∆y/∆x = (-3-(-1))/(2-(-2)) = -2/4 = -1/2

So, the slope of the perpendicular line is the negative reciprocal, or +2
Answered by Praphul
First find the slope of the line using the formula y2-y1/x2-x1 and coordinates (-2,-1)and(2,-3)
you will get slope = -2/4 which is equal to -1/2.Slope of a line that is perpendicular to a given line is negative reciprocal.
So slope of the line 2
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