Practice Introduction - 2.1 | 2. Polynomials | CBSE 9 Mathematics
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Introduction

2.1 - Introduction

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Identify if the following expressions are polynomials: 4x² - 3x + 7, y² + 2, 3/2x^2 + 1.

💡 Hint: Check if the exponents are whole numbers.

Question 2 Easy

What is the degree of the polynomial 5x² + 2x - 1?

💡 Hint: Look for the highest power of x.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a polynomial?

An expression with all positive integers
An expression made of variables and coefficients
Only one variable

💡 Hint: Think about the structure of the expression.

Question 2

The Remainder Theorem is used for which purpose?

True
False

💡 Hint: Recall what it helps us find when dividing by (x-a).

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Find the roots of the polynomial p(x) = x³ - 6x² + 11x - 6 using the Factor Theorem.

💡 Hint: Try values like 1, 2, and 3 in p(x).

Challenge 2 Hard

Prove that the polynomial x² + x + 1 is irreducible over the integers.

💡 Hint: Consider the discriminant b² - 4ac.

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