The vertical line x = -3 passes through the x-axis at which point?

1. A vertical line x = a always passes through the x-axis at the point (a, 0). 2. For the line x = -3, substituting a = -3 gives the point (-3, 0). 3. Swapping the coordinates to (0, -3) would instead describe a point on the y-axis, not the x-axis. _Source: OpenStax Elementary Algebra (CC BY 4.0), Ch 4 "Graphs", section 4.2 Graph Linear Equations in Two Variables_