GRADIENTS A9

Find the slope of a line which passes through (3, 13) and (6,-9).

Solution

x₁ = 3,  y₁ =13,  x₂ = 6,  y₂ = -9

m = y2 –y1

      x2 – x1

m =   -9 –13

          6 –3

m =   -22

           3

m =    - 22

             3

Hence the slope is -22/3

TRY THIS..........

Find the slope of a line which passes through (7, 11) and (2,-9).