Algebra-1

Question Analysis
This question tests the understanding of even roots of negative numbers and the application of exponent rules in the real number system.

Key Concept Explanation
In the real number system, even roots of negative numbers are undefined. Therefore, any expression involving such a root is also undefined.

Step-by-step Solution
1. Identify the inner expression: .
2. Check the base and the root: The base is -64 and the root is

Click "Show Answer" to reveal the answer and analysis