The slope of the line which is perpendicular to a line joining the points `(0, 0) and (-8, 8)` is

Find the slope of the line perpendicular to the line joining the points (2,−3) and (1,4) .

The slope of the line perpendicular to line 3x-5y+8=0 is

The slope of the line perpendicular to the line joining points (2,3) and (-2,5) is "_______" .

Find the slope of the line which is perpendicular to : x - y/2 + 3 = 0

Find the slope of the line joining the points (6, 3) and (8, 7) :

Show that the line joining the points (4,-3) and (0,7) is perpendicular to the line joining the points (5,2) and (0,0) .

Show that the line joining the points (4,-3) and (0,7) is perpendicular to the line joining the points (5,2) and (0,0) .

Find the slope of the line joining the points. (5,-1) and (-8,0)