Answer:
The slope of a line passing through two points (x1, y1) and (x2, y2) can be calculated using the formula:
slope = (y2 - y1) / (x2 - x1)
Using the given points, we have:
(x1, y1) = (9, 4)
(x2, y2) = (3, 9)
Therefore, the slope of the line passing through these points is:
slope = (9 - 4) / (3 - 9) = 5 / (-6) = -5/6
So, the slope of the line passing through the points (9, 4) and (3, 9) is -5/6.