GRADIENTS A4

Find the slope of a line which passes through (10, 13) and (6, 8).

Solution

x₁ = 10,  y₁ =13,  x₂ = 6,  y₂ = 8

m = y2 –y1

      x2 – x1

m =   8 –13

        6 –10

m =   -5

        -4

Hence the slope is 5/4

TRY THIS.........

Find the slope of a line which passes through (1, 13) and (4, 9).