Question

2. How do you know if two ordered pairs lie along the same vertical line?

Their x-coordinates are the same.

The line always has the equation x = -2.

Their y-coordinates are the same.

The line always passes through the origin.​

Answer 1

1st option

Explanation:

A verical line parallel to the y- axis has equation

x = c ( c is the value of the x- coordinates the line passes through )

thus the x- coordinates are the same