Slope, m, equals: (y2 - y1) / (x2 - x1).
m = (1-(-2)) / (-4-8)
m = 3 / -12 or
m = - 1/4
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To find the slope between two points: slope = change_in_y/change_in_x Thus for the points (4, 5) and (6, 8), the slope between them is given by: slope = (8-5)/(6-4) = 3/2 = 1½ = 1.5
The slope is dy/dx = 8/4 = 2
The slope is [2 - (-4)]/[-6 -2] = 6/-8 = -3/4
End points: (-2, 4) and (-4, 8) Midpoint: (-3, 6) Slope: -2 Perpendicular slope: 1/2 Perpendicular bisector equation: y -6 = 1/2(x--3) => y = 0.5x+7.5
-2 or written as a slope - 2/1