Our answer is


We are asked to complete the following statement -
The line y = 2 is ...?
Correct Answer: Horizontal
The line y = 2 is a horizontal line that has a slope of 0.
How did I figure this out?
Well, remember that a horizontal line has the form y = some number, and all horizontal lines have a slope of 0.
On the other hand, a line that has the form x = some number is a vertical line with an undefined slope.
our answer is horizontal.