GRADIENT 1

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

        6 + 10

m =    - 7

         16

Hence the slope is -7/16

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

Find the slope of a line which passes through (-1, -11) and (8,-9)