Answer:
Option 3rd is correct
The slope of the line containing the points (-2, 3) and (-3, 1) is 2.
Explanation:
Slope of the given two points is given by:
...[1]
As per the statement:
Consider the points (-2, 3) and (-3, 1)
where,
,
,
and

Substitute in [1] we have;
⇒
Simplify:
Therefore, The slope of the line containing the points (-2, 3) and (-3, 1) is 2