Are the following statements true or false?

 1. whenever and are the endpoints of the curve .

 2. If is path-independent, then there is a potential function for .

 3. If for some closed path , then is path dependent.

 4. If is path-independent and is any closed curve, then .

 5. If the vector fields and have for a particular path , then .

 6. If for one particular closed path, then is path-independent.

 7. If , then is conservative.

 8. The circulation of any vector field around any closed curve is zero.

You can earn 10% partial credit for 2 - 4 correct answers, 60% partial credit for 5 - 6 correct answers, and 80% partial credit for 7 correct answers.