Find the slope of the line if it exists.
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A.
The slope is [ ]. (Type an integer or a simplified fraction.)
B.
The slope is undefined.
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A.
The slope is [ ]. (Type an integer or a simplified fraction.)
B.
The slope is undefined.