Answer & Step-by-step explanation:
Identify two points on the line.
Select one to be (x1, y1) and the other to be (x2, y2).
Use the slope equation to calculate slope.
The simplest vector you can take along the x-axis is
.
Now,
where
is the angle between the two vectors. You have
so that
To find the miles Michael rode, we can simply add up the miles he rode for both day:
Therefore the answer is 4 1/2 miles.
Hope it helps!