Answer :
Answer: The slope of a line perpendicular to a line with a slope of 0 is undefined. The perpendicular line is a vertical line. A line with a slope of 0 is a horizontal line.
Step-by-step explanation:
Perpendicular = opposite sign and reciprocal slope
-1/0, nothing can be divided by 0
Solution: undefined
-1/0, nothing can be divided by 0
Solution: undefined