SLOPE OR GRADIENT 1A

Find the slope of a line which passes through (-3, -4) and (8,-11)

Solution

x₁ = -3,  y₁ =-4,  x₂ = 8,  y₂ = -11

m = y2 –y1

      x2 – x1

m =   -11 –(-4)

          8 –(-3)

m =   -11 + 4

          8 + 3

m =    - 7

          11

Hence the slope is -7/11

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

Find the slope of a line which passes through (-11, -4) and (4,-15)