Answer: The slope of a line can be found using the formula:
slope = (y2 - y1) / (x2 - x1)
where (x1, y1) and (x2, y2) are two points on the line. Plugging in the given points, we get:
slope = (-1 - 3) / (2 - (-4)) = -4 / 6 = -2/3
So the ratio expressing the slope of line k is -2/3.
Explanation: