find the slope of the line containing the points: (2,1) and (3,4)

 (2,1) and (3,4)

Slope

[ Subtract the y coordinates in some order]            [ 4 - 1]          3

_____________________________________ =  ______  =   __   =    3

[Subtract the x coordinates in the same order ]      [ 3 - 2 ]        1