Using it's concept, the slope of the line is of 3.
How to find the slope of a line given two points?
The slope of a line, given two points, is given by change in y divided by change in x.
In this problem, the points are (1,5) and (2,8), hence the slope is given by:
m = (8 - 5)/(2 - 1) = 3.
The slope of the line is of 3.
More can be learned about the slope of a line at https://brainly.com/question/3493733
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