Use Your Calculator to Perform Each Calculation and Observe the Answers

Multiple Choice

Use your calculator to perform each calculation and observe the answers. Use inductive reasoning to determine which statement is true.
- $\sqrt { - 13 } ; \sqrt [ 4 ] { - 2 } ; \sqrt [ 6 ] { - 1.8 } ; \sqrt [ 8 ] { - 278 }$

A) An even root of a negative number is negative.
B) An even root of a negative number is undefined.
C) An even root of a negative number is positive.
D) An even root of a negative number can be either positive or negative.