The slope of a line passing through two points (x1, y1) and (x2, y2) is given by the formula:
m = (y2 - y1) / (x2 - x1)
In this case, (x1, y1) = (-1, 4) and (x2, y2) = (2, -9). Plugging these values into the formula, we get:
m = (-9 - 4) / (2 - (-1)) = (-13) /
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