-1
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The idea is to divide (difference in y-coordinates) by (difference in x-coordinates). If you mean points of (-5, 4) and (15, -4) then the slope works out as -2/5
The slope will be negative.The slope will be negative.The slope will be negative.The slope will be negative.
positive slope negative slope zero slope undefined
From the information given it appears to have no slope if x0 and so there is no equation as such but plotted on a grid there will be a straight vertical line and a straight horizontal line that meet each other at right angles.
The slope of the perpendicular is the negative reciprocal of the slope of a line. In this case, - (1 / -1) = 1.The slope of the perpendicular is the negative reciprocal of the slope of a line. In this case, - (1 / -1) = 1.The slope of the perpendicular is the negative reciprocal of the slope of a line. In this case, - (1 / -1) = 1.The slope of the perpendicular is the negative reciprocal of the slope of a line. In this case, - (1 / -1) = 1.