SLOPE OF A LINE :-
The slope of a line is m= rise / run .
The rise measures the vertical change and the run measures the horizontal change.
Slope of the straight line passing through the points (X1,y1) and ( x2 , y2 ) is given by :-
Slope of the straight line passing through the points ( -3 .2 ) and (-1 , 0 ) is .
Hope this helps you !!