Answer
See below.
Work Step by Step
We know that by the Slope Formula: if $P_1(x_1,y_1)$ and $P_2(x_2,y_2)$ are on a line, then the slope is: $m=\frac{y_2-y_1}{x_2-x_1}$.
Hence here: $m=\frac{4-2}{1-5}=\frac{2}{-4}=\frac{-1}{2}.$
The slope is negative thus the line rises from right to left .
