What is the slope of the line
A. 0
B. 1
C. -4
D. Undefined

Answer:
undefined slope
Step-by-step explanation:
The line is a vertical line
Vertical lines have an undefined slope
Answer:
D.
Step-by-step explanation:
Undefined. Since this line is vertical (going straight up and down) the slope is undefined. If it was a horizontal lie (flat going left and right) it would be 0. But vertical lines are undefined.