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Minggu, 17 Oktober 2010

Determining the slope which the passes through two point

Determine the slope which the passes through two points (3, -1) and (2, 3)
solution :
m = y2 -y1 / x2-x1

m = 3-(-1)/ 2 - 3

m = 4/-1

then the slope (m) = -4