Table of contents
- 0. Review of Algebra4h 16m
- 1. Equations & Inequalities3h 18m
- 2. Graphs of Equations43m
- 3. Functions2h 17m
- 4. Polynomial Functions1h 44m
- 5. Rational Functions1h 23m
- 6. Exponential & Logarithmic Functions2h 28m
- 7. Systems of Equations & Matrices4h 6m
- 8. Conic Sections2h 23m
- 9. Sequences, Series, & Induction1h 19m
- 10. Combinatorics & Probability1h 45m
4. Polynomial Functions
Understanding Polynomial Functions
2:08 minutes
Problem 115
Textbook Question
Textbook QuestionUse (2x^3−3x^2−11x+6)/(x−3)=2x^2+3x−2 to factor 2x^3-3x^2-11x+6 completely.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Polynomial Division
Polynomial division is a method used to divide one polynomial by another, similar to long division with numbers. In this context, dividing the polynomial 2x^3−3x^2−11x+6 by x−3 allows us to simplify the expression and find the quotient, which is essential for factoring the original polynomial completely.
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Factoring Polynomials
Factoring polynomials involves expressing a polynomial as a product of its factors, which can be simpler polynomials or numbers. Understanding how to factor is crucial for solving polynomial equations and simplifying expressions, as it reveals the roots of the polynomial and helps in further analysis.
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Remainder Theorem
The Remainder Theorem states that when a polynomial f(x) is divided by (x - c), the remainder of this division is f(c). This theorem is useful for determining whether (x - c) is a factor of the polynomial, as a remainder of zero indicates that c is a root, facilitating the complete factorization of the polynomial.
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