CO-ORDINATE GEOMETRY-4

Find the slope of a line which passes through (8, 6) and (-11,-3)

Solution

x₁ = 8,  y₁ =6,  x₂ =-11,  y₂ = -3

m = y2 –y1

       x2 – x1

m =    -3 –6

         -11 –8

m =     - 9

          - 19

m =  9

       19

Hence the slope is 9/19