# vectors

posted by
**Anonymous** on
.

Given the vectors v=-2i+5j and w=3i+4i, determine

(do I just plug what is given? but how would I find the length? is there a special way to solve vectors?)

1. 1/2 v

2. w-v

3. length of w

4. the unit vector for v

Use the pythogrean theorm to find length of w, i,j are at right angles to each other. The unit vector is the vector divided by length.