Find the slope of the line passing through the pair of points or state that the slope is undefined. Then indicate whether the line through the points​ rises, falls, is​ horizontal, or is vertical.
(-5,1) and (3,5)

Part 1
Select the correct choice below​ and, if​ necessary, fill in the answer box within your choice.
A.
The slope is enter your response here. ​(Simplify your​ answer.)
B.
The slope is undefined.