Thursday 29 June 2017

SLOPE OR GRADIENT 1

Find the slope of a line which passes through (-3, -4) and (18,-11)

Solution

x= -3,  y=-4,  x= 18,  y= -11

m = y2 –y1
        x2 – x1

m =   -11 –(-4)
          18 –(-3)

m =   -11 + 4
          18 + 3

m =    - 7
          21


Hence the slope is -7/21

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


Find the slope of a line which passes through (-1, -4) and (4,-15)

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