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Class 8 Maths Chapter 9 Algebraic Expressions And Identities Quiz 1 (25 MCQs)

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1. Subtract x$^{2}$-3y$^{2}$ + 7y-8 from 9x$^{2}$-xy + y$^{2}$ + 5x-3y
2. Is this 4/5 monomial?
3. (b$^{3}$-d$^{3}$)/(b-d)$^{3}$ when b=6 and d=3
4. How many terms does a trinomial expression contain?
5. What is the product of this monomial and polynomial?3xy ( 7z + 2z$^{2 }$+ x + yx)
6. Factorised form of 23xy-46x + 54y-108 is:
7. The coefficient in the term-5x is
8. Volume of a rectangular box (cuboid) with length = 2ab, breadth = 3ac and height = 2ac is:
9. $\left(a+b\right)^2\equiv$
10. Solve (z$^{3 }$-6)(7 + z$^{3}$) using suitable identity.
11. What is an expression that contains two terms called?
12. What do like terms need to have the same of?
13. The product of (3ab-5)(4a + 3) contains .....
14. Product of the monomials 4p, -7q$^{3}$, -7pq
15. What do you get on subtracting (7x + 2) from (-6x + 8)?
16. The sum of 7x, 10x and 12x is
17. Using identities, evaluate (102)$^{2}$
18. What degree does x$^{3}$-x$^{2}$y$^{2}$-8y$^{2}$+ 2 have?
19. Factorised form of r$^{2}$-10r + 21 is:
20. Sum of 5xy-2yz-3xz, 4yz + 2x-4xz-z and-3xy + xz-2x-y is .....
21. Pqr is what type of polynomial?
22. Area of a rectangle with length 4ab and breadth 6b$^{2 }$is:
23. Which of the following is the numerical coefficient of-5xy?
24. (3+4) x (3+5)
25. What are terms formed as a product of?
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