If the slope of a line is 2/2, does that mean that it increases by 2 units or just 1?

The Slope of this line = 4 2 = 2. The line is steeper, and so the Slope is larger.

Step-by-step explanation:

Interpreting the slope of a regression line. The slope is interpreted in algebra as rise over run. If, for example, the slope is 2, you can write this as 2/1 and say that as you move along the line, as the value of the X variable increases by 1, the value of the Y variable increases by 2