Question

Which equation represents a line which is parallel to the x-axis?

y = x - 1
y = 8
x = - 5
x = - 3y​

Answer 1

y = 8

Explanation:

The equation of a line parallel to the x- axis has equation

y = c

where c is the value of the y- coordinates the line passes through.

Then

y = 8 ← is equation of line parallel to the x- axis