Answer:
Step-by-step explanation:
The slope is the change in x divided by the change in y, so the equation is [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex].
For example, use the coordinates (1, 2) and (2, 4):
The slope is [tex]\frac{4-2}{2-1} =2[/tex].