Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3).
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The bot is wrong again.
slope for the given points = (-3+1)/(2+2) = -1/2
so the slope of the perpendicular is +2
Slope of the line containing the points (–2, –1) and (2, –3) is -2.
Slope of a line perpendicular to this line is 1/2.