Concept explainers
a.
Verify the indicated factor
a.

Explanation of Solution
Given:
The equation is given as
Approach:
- Find the co-factors of the polynomial.
- Check the indicating factor is a cofactor of the polynomial.
Calculation:
Consider,
The indicating factor
b.
Find the remaining factor of the polynomial.
b.

Explanation of Solution
Given:
The equation is given as
Approach:
- Solve the polynomial.
- Find the co-factors of the polynomial.
Calculation:
Consider,
From equation (1)
Therefore, remaining factors of the polynomial are
c.
Write the complete factorization of the polynomial f(x).
c.

Explanation of Solution
Given:
The equation is given as
Approach:
- Solve the polynomial.
- Write the complete factorization of the polynomial.
Calculation:
Consider,
From equation (2)
Therefore, the complete factorization of the polynomial is
d.
Find all zeros of the polynomial.
d.

Explanation of Solution
Given:
The equation is given as
Approach:
- Find the co-factors of the polynomial.
- Find the zeros of the polynomial.
Calculation:
Consider;
From equation (2)
Therefore, the zeros of the polynomial are
e.
Confirm the results by using a graphing utility to graph the function.
e.

Explanation of Solution
Given:
The equation is given as
Approach:
- Draw a graph of the polynomial.
- Check the zeros on it.
Graph:
The graph of the polynomial is shown below
All the zeros of the polynomial are shown in the above graph.
Therefore, the graphs confirm the zeros are true.
Chapter 2 Solutions
EP PRECALC.GRAPHING APPR.-WEBASSIGN-1YR
- Calculus: Early TranscendentalsCalculusISBN:9781285741550Author:James StewartPublisher:Cengage LearningThomas' Calculus (14th Edition)CalculusISBN:9780134438986Author:Joel R. Hass, Christopher E. Heil, Maurice D. WeirPublisher:PEARSONCalculus: Early Transcendentals (3rd Edition)CalculusISBN:9780134763644Author:William L. Briggs, Lyle Cochran, Bernard Gillett, Eric SchulzPublisher:PEARSON
- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning





