Find the slope of the line.

Question content area bottom left
Part 1
Select the correct choice below​ and, if​ necessary, fill in the answer box to complete your choice.
A.
The slope of the line is enter your response here
.
​(Simplify your answer. Type an integer or a​ fraction.)
B.
The slope is undefined.
...
Question content area right
Part 1
-8-6-4-22468
-8-6-4-22468

The question does not provide enough information to calculate the slope of the line.