Practice Solving the Equations - 21.2.3 | 21. Roots of a Polynomial | Discrete Mathematics - Vol 3
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Solving the Equations

21.2.3 - Solving the Equations

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a root of a polynomial?

💡 Hint: Think of the definition we started with.

Question 2 Easy

What is the factor theorem?

💡 Hint: Recall how roots relate to factors.

3 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the factor theorem state?

If f(α) = 0
then (x - α) is a factor of f(x).
Every polynomial has exactly n factors.
The degree of a polynomial does not affect the number of roots.

💡 Hint: Think about how roots relate to the factors of polynomials.

Question 2

True or False: A polynomial of degree n can have n distinct roots.

True
False

💡 Hint: Recall the relationship between degree and roots.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the polynomial p(x) = 2x^3 - 4x^2 + 2x, find its roots and determine its irreducible components.

💡 Hint: Consider using factoring techniques or the quadratic formula.

Challenge 2 Hard

Factor the polynomial q(x) = x^4 + x² + 1 over complex numbers.

💡 Hint: Look for patterns or potential quadratic factors.

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