Answer :
Answer:
D
Step-by-step explanation:
Consider the line y=x+1. Rotate this 90 degrees, and you get a line with a slope of -1, which obviously cannot be parallel.
Answer:
D
Step-by-step explanation:
Consider the line y=x+1. Rotate this 90 degrees, and you get a line with a slope of -1, which obviously cannot be parallel.