(a)
To calculate : A polynomial equation for the given root.
The required polynomial function is
Given information :
The only root is
Calculation :
Given:
Then,
Therefore, the required polynomial function is
(b)
To calculate : A polynomial equation for the given root.
The required polynomial function is
Given information :
The root is
Calculation :
It is given that
According to Conjugate Root Theorem,
Then,
Therefore, the required polynomial function is
(c)
To calculate : The value of
The value of
Given information :
Calculation :
Given:
According to Conjugate Root Theorem,
Then,
Thus, polynomial function is
Substituting
Therefore, the value of
Chapter 5 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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