Algebra-2

Question Analysis
This problem evaluates the student's understanding of the Conjugate Root Theorem, which states that if a polynomial with real coefficients has a complex root, then its conjugate is also a root.

Key Concept Explanation
The Conjugate Root Theorem ensures that for any polynomial with real coefficients, if is a root, then is also a root. This is because the coefficients are real, and the polynomial must remain balanced in the complex plane.

Step-by-step Solution
1. Identify the given root: .
2. Apply the Conjugate Root Theorem: The conjugate of

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