# How do you determine the slope of the line passing through ( 7,2 ) and ( 3,1)?

You can see that from $\left(7 , 2\right)$ to $\left(3 , 1\right)$ the y value decreases by 1, and the x value decreases by 4. So, the slope is the ratio of $\frac{- 1}{-} 4$, which is just $\frac{1}{4}$