Calculate the slope of the line that passes through the points (4,1),(2,5) (4,1),(2,5) (4,1),(2,5).
Remember the formula for calculating a slope using points:
Now, replace the data in the formula with our own:
(5−1)(2−4)=4−2=−2 \frac{(5-1)}{(2-4)}=\frac{4}{-2}=-2 (2−4)(5−1)=−24=−2
-2