Determine whether each red path in the vector field is positive, negative, or zero
![Determine whether each red path in the vector field is positive negative or zero class=](https://us-static.z-dn.net/files/de1/4baea61aa04a71c44111c15acfd0aec3.png)
If the path is perpendicular to the field it is zero.
If the path is along the field it is positive or negative depending on it's direction.
See the attached picture.