Question

is the graph of this equation a horizontal or vertical line?
y = 0
horizontal line vertical line

Explanation:

Step1: Recall line equation types

Horizontal lines have equations of the form \( y = k \) (constant \( y \)-value), vertical lines have \( x = k \) (constant \( x \)-value).

Step2: Analyze \( y = 0 \)

The equation \( y = 0 \) is in the form \( y = k \) (where \( k = 0 \)), so it represents a horizontal line (all points on this line have \( y \)-coordinate 0, like the x - axis).

Answer:

horizontal line