Practice Number of Roots for Degree n Polynomial - 21.2 | 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: Remember the definition of a root.

Question 2

Easy

What is the degree of the polynomial f(x) = 3x⁵ + 2x⁴ - x + 7?

💡 Hint: Look for the term with the highest power.

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

How many roots can a polynomial of degree n have?

  • n-1
  • n
  • n+1

💡 Hint: Consider the definition of degree.

Question 2

Is the statement 'A quadratic polynomial can have at most two linear factors' true or false?

  • True
  • False

💡 Hint: Think about the degree again.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Consider the polynomial f(x) = x⁵ - 5x³ + 4x. Factor it completely over the reals and identify its roots.

💡 Hint: Look for common factors first.

Question 2

Demonstrate that the polynomial f(x) = 2x⁴ + x³ - 4x² - 2x + 1 is irreducible over the rationals.

💡 Hint: Try picking potential rational roots to start.

Challenge and get performance evaluation