Answer:
The slope of the graph of y = mx + b
Explanation:
m represents the change in the values of y and x at various points on the graph. This is known as the slope or gradient of the graph.
It may be defined mathematically as
m = (y2 - y1)/(x2 - x1)
where y2 and y1 are points on the graph along the y axis and x2 and x1 are points on the graph along the x-axis.