Formula for slope is y2-y1/x2-x1
Make the first set of coordinates (x1,y1) and second set (x2,y2). It doesn’t matter which coordinate is 1 or 2 just pick one to go first and do the same thing for the next step.
The y1 coordinate is 33 and the y2 coordinate is 15
The x1 coordinate is 6 and the x2 coordinate is 15.
Now put these numbers into formula for slope but make sure you include the negative or subtraction (minus) sign since this is part of the original formula.
15-33 = -18
-18/9 = -2
The slope of a line passing through points (a,b) and (c,d) is given by :-
From the given graph , the line is passing from points (6,33) and (15,15).
Now, the of a line passing through points (6,33) and (15,15) is given by :-
Hence, the slope of the line = -2
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