SLOPE/GRADIENT 1

Find the slope of a line which passes through (-11, -8) and (6,-9)

Solution

x₁ = -11,  y₁ =-8,  x₂ = 6,  y₂ = -9

m = y2 –y1

       x2 – x1

m =   -9 –(-8)

          6 –(-11)

m =   -9 + 8

          6 + 11

m =    - 1

            17

Hence the slope is -1/17

TRY THIS……………………… 

Find the slope of a line which passes through (-11, -2) and (9,-14)