Practice Methods for Finding Irreducible Factors - 21..1 | 21. Roots of a Polynomial | Discrete Mathematics - Vol 3
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a root of a polynomial?

💡 Hint: Think about what happens when you substitute a number into the polynomial.

Question 2

Easy

Define a monic polynomial.

💡 Hint: What is special about the leading coefficient?

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does the factor theorem state?

  • If α is a root
  • then (x - α) is a factor.
  • All roots are irrational.
  • Polynomials cannot have real coefficients.

💡 Hint: Think about what happens if substituting α into the polynomial results in zero.

Question 2

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

  • True
  • False

💡 Hint: Relate to polynomial properties.

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Challenge Problems

Push your limits with challenges.

Question 1

Given the polynomial x^5 + x^3 + x^2, find its irreducible factors over the field of integers.

💡 Hint: Look for integers that satisfy the equation.

Question 2

Using the polynomial x^4 + 2x^2 + 1, identify and justify its potential irreducibility.

💡 Hint: Check if your polynomial resembles the form of squares.

Challenge and get performance evaluation