Wednesday 28 December 2016

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)  

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