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04
PRACTICE · CLASS 9 MATHEMATICS (NCERT)

Polynomials Practice Questions & PYQs

Practice important exam questions and previous year problems for Class 9 Polynomials organized by mark distribution for self-assessment.

01 · 1 MARK PRACTICE QUESTIONS

Short Answer / Objective Questions

1 MARK

Q1. Find the degree of the zero polynomial.

1 MARK

Q2. If p(x) = 5x² - 3x + 7, evaluate p(-1).

1 MARK

Q3. Check whether x = -1/3 is a zero of p(x) = 3x + 1.

02 · 2 MARKS PRACTICE QUESTIONS

Short Proofs & Calculations

2 MARKS

Q4. Use suitable identity to find the product: (x + 8)(x - 10).

2 MARKS

Q5. Evaluate (105) × (106) without multiplying directly.

2 MARKS

Q6. Find the value of k if (x - 1) is a factor of 2x² + kx + √2.

03 · 3 MARKS PRACTICE QUESTIONS

Intermediate Problem Solving

3 MARKS

Q7. Factorise: 12x² - 7x + 1 by splitting the middle term.

3 MARKS

Q8. Expand (2x - y + z)² using suitable algebraic identity.

3 MARKS

Q9. Evaluate (99)³ using suitable identity.

04 · 5 MARKS PRACTICE QUESTIONS

Long Answer & Cubic Factorisation

5 MARKS

Q10. Factorise the cubic polynomial: p(x) = x³ - 23x² + 142x - 120.

5 MARKS

Q11. Without actually calculating the cubes, find the value of (-12)³ + (7)³ + (5)³.