What is the Estimate slope m of the line?

The estimate slope ( m ) of a line represents the ratio of the change in the vertical coordinate (rise) to the change in the horizontal coordinate (run) between two points on the line. Mathematically, it can be calculated using the formula ( m = \frac{y_2 - y_1}{x_2 - x_1} ), where ( (x_1, y_1) ) and ( (x_2, y_2) ) are coordinates of two distinct points on the line. A positive slope indicates the line rises as it moves from left to right, while a negative slope indicates it falls. The slope is a key indicator of the line's steepness and direction.