Unit 5 Test Review Polynomial Functions_Jenkins SY25

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Mathematics
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a polynomial function?
Back
A polynomial function is a mathematical expression involving a sum of powers in one or more variables multiplied by coefficients. The general form is: f(x) = a_n*x^n + a_(n-1)*x^(n-1) + ... + a_1*x + a_0, where a_n ≠ 0.
2.
FLASHCARD QUESTION
Front
What are the roots of a polynomial function?
Back
The roots (or zeros) of a polynomial function are the values of x for which the function equals zero. They can be real or complex numbers.
3.
FLASHCARD QUESTION
Front
What does multiplicity mean in the context of polynomial roots?
Back
Multiplicity refers to the number of times a particular root appears in a polynomial. For example, if (x - r) appears twice in the factorization, r is a root with multiplicity 2.
4.
FLASHCARD QUESTION
Front
How do you find the roots of a polynomial function?
Back
To find the roots, set the polynomial equal to zero and solve for x. This can involve factoring, using the quadratic formula, or applying synthetic division.
5.
FLASHCARD QUESTION
Front
What is the Fundamental Theorem of Algebra?
Back
The Fundamental Theorem of Algebra states that every non-constant polynomial function of degree n has exactly n roots in the complex number system, counting multiplicities.
6.
FLASHCARD QUESTION
Front
What is the relationship between the degree of a polynomial and the number of roots?
Back
The degree of a polynomial indicates the maximum number of roots it can have. For example, a polynomial of degree 3 can have up to 3 roots.
7.
FLASHCARD QUESTION
Front
What is a complex root?
Back
A complex root is a solution to a polynomial equation that includes imaginary numbers. Complex roots occur in conjugate pairs when coefficients are real.
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