Your answer is undefined.
When we look at your points, we can see that the x value is the same. This means that the line will maintain the same x value, therefore being a vertical line.
The equation of slope is rise/run. When we look at the vertical line, we see that there is no run, as it does not move on the x axis. Therefore, to be calculating the slope, you would be dividing by 0, which makes the equation undefined.
Hope this helped!
