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Class 8 Math: Algebraic Expressions and Identities
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MCQs on monomials, binomials and polynomials, algebraic expressions multiplication, addition, subtraction, like and unlike terms, identity, terms factor and coefficients, standard identities and its applications.
 

Class 8 Math: Algebraic Expressions and Identities
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24 Questions

1. What will be the result if the expressions 2x – 4x2y and 16y2x + 2x2y are added?
2. Find the value of (2a + 1)2 using standard identity.
3. Evaluate the value of (2q – 3p)2.
4. What is the value obtained when [a(24b – 12c)] is subtracted from 2b(12a + 8c)?
5. Find the value of (m + 4n)2 using the standard identity.
6. Calculate the value of 904 × 902.
7. Find the value of (2a + 1)2 using standard identity.
8. Identify all the unlike terms: 2a – 3b – 4c.
9. Find the product of the polynomials 2pq and (9x + 2yx + 2x).
10. Find the value the following expression: 1/6x + 2/5xy – 13y – 7/5xy + 1/6x.
11. Find the value of (12.4)2.
12. Identify all the terms and coefficients of the expression: y3 – 10x2y + 14x.
13. Using the standard identity, find the value of (3.9)2.
14. Find the value when the given polynomials 3p and (24x + 14y2) are multiplied.
15. Find the value of (10001 + 12)(10001 – 12).
16. Find the value when the given polynomials 3p and (24x + 14y2) are multiplied.
17. Using the standard identity, find the value of 201 × 204.
18. Which of the following expressions have -1, 2 as the coefficients?
19. Identify the given expression: 3x + 5x.
20. Using the standard identity, find the value of (3.9)2.
21. Identify the term of the expression: 3x2 + 4xy.
22. Identify the like terms: 4xy – 3y + 44y.
23. Subtract the following expression: 22ab – 30a2b + 2b from 50a2b – 6b2a – 5b.
24. Calculate the value of (11x – 2y)2.

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