Given:
Point A is located at (4x -8, y-11). Point B is located at (4x +8, y-17).
To find:
The slope of the line.
Solution:
It is known that the slope of the line passing through the points (x1, y1) and (x2, y2) is given by:

So, the required slope is:

Thus, the slope of the line is -3/8.