GRADIENTS A1

Find the slope of a line which passes through (10, -2) and (6,-9)

Solution

x₁ = 10,  y₁ =-2,  x₂ = 6,  y₂ = -9

m = y2 –y1

      x2 – x1

m =   -9 –(-2)

           6 –10

m =   -9 + 2

            -4

m =    - 7

           -4

Hence the slope is 7/4

TRY THIS........

Find the slope of a line which passes through (10, -9) and (1,-9)