Tuesday 4 March 2014

GRADIENTS A5

Find the slope of a line which passes through (10, 4) and (6, 8).

Solution
x1 = 10,  y1 =4,  x2 = 6,  y2 = 8

m = y2 –y1
      x2 – x1

m =   8 –4
        6 –10

m =   4   = -1
       -4

Hence the slope is -1



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

Find the slope of a line which passes through (-4, -1) and (6, 8).


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