The terms ____ and ____ mean the same thing

1. nondiversifiable risk, unsystematic risk

2. total risk, unique risk

3. diversifibale risk, unsystematic risk

4. diversifiable risk, systematic risk

____ is risk that cannot be diversified away

1. unsystematic risk

2. firm-specific risk

3. diversifiable risk

4. systematic risk

Beta is ____

1. the appropriate measure of risk for a well-diversified portfolio

2. a measure of systematic risk

3. a measure of nondiversifibale risk

4. all of the above