This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 10 Algebraic Expressions – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 10 Algebraic Expressions Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Simplify:10x$^{3}$ + 4x-5x$^{3}$ + 8x-10 A) 15x$^{3}$+12x-10. B) 15x$^{3}$+12x+10. C) 5x$^{3}$+12x+10. D) 5x$^{3}$+12x-10. Show Answer Correct Answer: D) 5x$^{3}$+12x-10. 2. What is an algebraic expression? A) A letter or a symbol used to represent an unknown value. B) An expression that contains numbers, operations, and one or more variables. C) A specific number whose values does not change. D) None of the above. Show Answer Correct Answer: B) An expression that contains numbers, operations, and one or more variables. 3. Add:8 a-6 ab + 5 b, -6 a-ab-8 b, -4 a + 2 ab + 3 b A) 5 a + 7 b. B) 2 a-7 b. C) -2 a-5 ab. D) 2 a + 5 ab. Show Answer Correct Answer: C) -2 a-5 ab. 4. 8c + 6c-5 use c = 4 A) 24. B) 100. C) 51. D) 38. Show Answer Correct Answer: C) 51. 5. An algebraic expression containing two terms is called a: A) Monomial. B) Binomial. C) Trinomial. D) None of these. Show Answer Correct Answer: B) Binomial. 6. Identify the coefficient of the algebraic expression:m-6 A) 1. B) M. C) 6. D) -6. Show Answer Correct Answer: A) 1. 7. + z) when x=8 and z=2 A) 12. B) 30. C) 54. D) 60. Show Answer Correct Answer: C) 54. 8. -3(y + 7) A) -I-21. B) -I + 21. C) ZI-21. D) ZI + 21. Show Answer Correct Answer: A) -I-21. 9. 5 less than the product of 7 and s A) 7S-5. B) 5-7 + s. C) 7(s-5). D) 5-7s. Show Answer Correct Answer: A) 7S-5. 10. -9w + 7-4w-16 A) -13w-9. B) Kho. C) -13w-23. D) Kho-p. Show Answer Correct Answer: A) -13w-9. 11. 4x$^{2}$ + x$^{2}$ + y$^{2}$-3x$^{2}$ + 5y$^{2}$ A) 8x $^{2} $ + 6y $^{2} $. B) X $^{a} $ + folding $^{a} $. C) 14x$^{2}$y$^{2}$. D) None of the above. Show Answer Correct Answer: B) X $^{a} $ + folding $^{a} $. 12. The number z multiplied by itself A) Z to the power of 2. B) 2z. C) Z to the power of 1. D) Z x 2. Show Answer Correct Answer: A) Z to the power of 2. 13. John is y years old. His mother is 28 years older than him. Which expression shows his mother's age? A) 28y. B) Y+28. C) 28-y. D) Y-28. Show Answer Correct Answer: B) Y+28. 14. Evaluate the expression when x = 3. 2x$^{2}$-5 A) 31. B) 12. C) 7. D) 13. Show Answer Correct Answer: D) 13. 15. Which one of the following is not an indentity A) (x+a)(x+b). B) (xy+z)(z+yx). C) $(a+b)^2$. D) $\left(a-b\right)^2$. E) All of the above. Show Answer Correct Answer: B) (xy+z)(z+yx). 16. 12 more than 45% of k A) 0.45k+12. B) 0. Your brother. C) 12-0.45k. D) 0.45(k+12). Show Answer Correct Answer: A) 0.45k+12. 17. Evaluate $\left(0.99\right)^2$ A) 0.9801. B) 0.9999. C) 1.098. D) 0.9. Show Answer Correct Answer: A) 0.9801. 18. The value of $3x^2-5x+3$ $x=-1$ A) $1$. B) $0$. C) $-1$. D) $11$. Show Answer Correct Answer: D) $11$. 19. A number, variable, product, or quotient in an expression ..... may be separated by operational symbols (+, -) A) Variable. B) Term. C) Like terms. D) Constant. Show Answer Correct Answer: B) Term. 20. Evaluate 3x + 8 if x = 2 A) 13. B) 14. C) 15. D) 16. Show Answer Correct Answer: B) 14. 21. Translate:the square of the sum of a number and sixteen A) $x^2+16$. B) $\left(x+16\right)^2$. C) $\left(x-16\right)^2$. D) $x^2-16$. Show Answer Correct Answer: B) $\left(x+16\right)^2$. 22. 21 + 7xwhen x = 2 A) 30. B) 27. C) 50. D) 35. Show Answer Correct Answer: D) 35. 23. In a pattern of matchsticks forming squares in a row, if n represents the number of squares, which expression shows the total matchsticks needed? A) Lion. B) About+1. C) N+4. D) 3+n. Show Answer Correct Answer: A) Lion. 24. Monomial means it has ..... terms. A) 2. B) 1. C) 3. D) None of the above. Show Answer Correct Answer: B) 1. 25. Three times the sum of 2 and e. A) Ze+2. B) 3(e-2). C) 3(e+2). D) A+p. Show Answer Correct Answer: C) 3(e+2). ← PreviousNext →Related QuizzesClass 7 Mathematics Chapter 10 Algebraic Expressions Quiz 1Class 7 Mathematics Chapter 10 Algebraic Expressions Quiz 2Class 7 Mathematics Chapter 10 Algebraic Expressions Quiz 3Class 7 Mathematics Chapter 10 Algebraic Expressions Quiz 4Class 7 Mathematics Chapter 10 Algebraic Expressions Quiz 5Class 7 Mathematics Chapter 10 Algebraic Expressions Quiz 6Class 7 Mathematics Chapter 10 Algebraic Expressions Quiz 7Class 7 Mathematics Chapter 10 Algebraic Expressions Quiz 8Class 7 Mathematics Chapter 10 Algebraic Expressions Quiz 10Class 7 Mathematics Chapter 10 Algebraic Expressions Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books