GRADIENTS A2

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 (3, 11) and (-8,-3)