a.
To calculate: the depressed polynomial.
a.
Answer to Problem 31PPS
The depressed polynomial is
Explanation of Solution
Given information:
Formula used:
Synthetic Substitution :- Synthetic division is used to find the value of a function.
Factor Theorem :- The binomial
Remainder Theorem:- If a polynomial
Where
Calculation:
Consider ,
Since, the binomial
Thus, the remainder is zero. The polynomial
The polynomial
b.
To calculate: the values for the depressed polynomial.
b.
Answer to Problem 31PPS
Values of x | Value |
Explanation of Solution
Given information:
Formula used:
Direct Substitution :- The method is used to find the value of a function.
Calculations:
Values of x | Depressed polynomial | Value |
The table shows the value of the depressed polynomial .
c.
To comment: about the locations of the other zeros based on table.
c.
Explanation of Solution
Given information:
Values of x | Value |
Formula used:
Direct Substitution :- The method is used to find the value of a function.
Factor Theorem :- The binomial
Proof:
Observing the table we concluded that -
With the change in sign there exists a zero between values of
d.
To graph: the depressed polynomial.
d.
Explanation of Solution
Given information:
Graph:
Figure 1.
Interpretation:
The above graph shows the conclusion made in part (b) and (c) both. It defines the zero and the curves defines the change in sign of the value of the function.
Chapter 5 Solutions
Glencoe Algebra 2 Student Edition C2014
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