GRADIENTS A8

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, -2) and (3,-6)