SLOPE OR GRADIENT 2

Find the slope of a line which passes through (-1, -2) and (6,-9)

Solution

x₁ = -1,  y₁ =-2,  x₂ = 6,  y₂ = -9

m = y2 –y1

         x2 – x1

m =   -9 –(-2)

         6 –(-1)

m =   -9 + 2

         6 + 1

m =    - 7

           7

m =    - 1

Hence the slope is -1

TRY THIS……………………… 

Find the slope of a line which passes through (-8, -2) and (3,-12)