GRADIENT OR SLOPE 4

Find the slope of a line which passes through (-5, -12) and (6,-9)

Solution

x₁ = -5,  y₁ =-12,  x₂ = 6,  y₂ = -9

m = y2 –y1

       x2 – x1

m =   -9 –(-12)

           6 –(-5)

m =   -9 + 12

           6 + 5

m =     3

          11

Hence the slope is ³/11

TRY THIS………………..

Find the slope of a line which passes through (-15, -2) and (2,-9)