Algebra-2

Question Analysis
This problem assesses the ability to classify a complex number based on its real and imaginary parts.

Key Concept Explanation
A pure imaginary number is a complex number with a real part of 0 and a non-zero imaginary part. Here, the real part is 0 and the imaginary part is 15.

Step-by-step Solution
1. Identify the real part: The real part is 0.
2. Identify the imaginary part: The imaginary part is 15, which is non-zero.
3....