This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Algebraic Expressions > Class 7 Mathematics Chapter 10 Algebraic Expressions – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 10 Algebraic Expressions Quiz 15 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is the correct expansion of:3p(4p-7q) A) 12p$^{2}$-21pq. B) 7p-10pq. C) 12pq-21Q $^{a} $. D) 9q. Show Answer Correct Answer: A) 12p$^{2}$-21pq. 2. Which expression below describes the following algebraic expression?4(x + 6) A) Four times the sum of x plus 6. B) Four times x plus 6. C) Four times six plus x. D) X plus six times four. Show Answer Correct Answer: A) Four times the sum of x plus 6. 3. A numerical value in an expression that does not change its value is called a what? A) Operation. B) Symbol. C) Variable. D) Constant. Show Answer Correct Answer: D) Constant. 4. The quotient of two numbers subtracted from 15 A) $\frac{a}{b}$. B) Ab-15. C) 15-ab. D) $15\-\frac{a}{b}$. Show Answer Correct Answer: D) $15\-\frac{a}{b}$. 5. What word phrase can you use to represent "5x + 2" ? A) Five times the sum of a number x and two. B) Two times the sum of a number x and five. C) A number x times the sum of five and two. D) The sum of five times a number x and two. Show Answer Correct Answer: D) The sum of five times a number x and two. 6. Which algebraic expression matches the word phrase:30 less than a number A) N-30. B) N/30. C) 30 < n. D) 30-n. Show Answer Correct Answer: A) N-30. 7. If a = 6, b =-1 and c = 2 find:2(a + 3)-b + 2c A) 23. B) 19. C) 22. D) 18. Show Answer Correct Answer: A) 23. 8. Simplify:-1x + y-z + 10z + 2x-10y A) -1x-9z-9y. B) 1x-9z-9y. C) -1x-9-9y. D) 1x-9y + 9z. Show Answer Correct Answer: D) 1x-9y + 9z. 9. $^{A} $ Khus+Reverse $^{a} $-2 pussy-1 A) 5x $^{2} $+7x+2. B) Shit $^{2} $+2. C) 9x$^{2}$-3x+4. D) 5x $^{2} $-7x+2. Show Answer Correct Answer: D) 5x $^{2} $-7x+2. 10. The difference of twice a number and four A) Any + 4. B) 2-4. C) Any-4. D) A-4. Show Answer Correct Answer: C) Any-4. 11. Add 8y + 9x +2pq & 3x + 8pq + 2y A) 7y + 11x +8pq. B) 10y + 12x +9pq. C) 10y + 12x +10pq. D) None of the above. Show Answer Correct Answer: C) 10y + 12x +10pq. 12. 2d + 9 when d = 1 A) 5. B) 6. C) 10. D) 11. Show Answer Correct Answer: D) 11. 13. Twelve divided by a number A) 12-x. B) 12/x. C) X/12. D) 12 + x. Show Answer Correct Answer: B) 12/x. 14. Use the distributive property to simplify:2(3x-4) + 5(2x + 1) A) 16x-3. B) Sh-h. C) 16x-7. D) Sh + s. Show Answer Correct Answer: A) 16x-3. 15. The perimeter of a triangle is 4x-8, one of the side is 2x-4 and another is 3x+8. Find the third side A) -x+12. B) -x-14. C) -x+14. D) -x-12. Show Answer Correct Answer: D) -x-12. 16. This is a symbol, usually a letter, that stands for a number. A) Coefficient. B) Expression. C) Equation. D) Variable. Show Answer Correct Answer: D) Variable. 17. 65 less than a number A) 65-n. B) N-65. C) All the above. D) None of the above. Show Answer Correct Answer: B) N-65. 18. A lower case letter or symbol used to represent an unknown value is called a what? A) Term. B) Operation. C) Constant. D) Variable. Show Answer Correct Answer: D) Variable. 19. Click on the name of the red part of the algebraic expression:4 (x-2)$^{ }$-12 A) Exponent. B) Variable. C) Constant. D) Coefficient. Show Answer Correct Answer: C) Constant. 20. What is the expression for 100 decreased by a number k A) K + 100. B) 100 + k. C) 100-k. D) K-100. Show Answer Correct Answer: C) 100-k. 21. Find the difference of (-5x$^{2}$-4x + 2) and (x$^{2}$-6x + 5) A) 6x$^{2}$-2x-7. B) -6x$^{2}$-10x + 7. C) -6x$^{2}$$^{}$ + 2x-3. D) -4x$^{2}$-10x + 7. Show Answer Correct Answer: C) -6x$^{2}$$^{}$ + 2x-3. 22. Factorise as fully as possible:3xy+3x A) 3x(y+1). B) 3(xy+x). C) X(3y+3). D) None of the above. Show Answer Correct Answer: A) 3x(y+1). 23. Maria has $ 100 and deposits d dollars in to her bank account. She now has $ 280. A) 280-d=100. B) 280+d=100. C) 100+d=280. D) D-100=280. Show Answer Correct Answer: C) 100+d=280. 24. Evaluate expression:-5a-b for a=-6 and b= 3 A) 30. B) 24. C) 33. D) 27. Show Answer Correct Answer: D) 27. 25. Write an equation for the word problem:'A number increased by 8 is equal to 20.' A) X + 8 = 10. B) X + 8 = 20. C) X + 8 = 25. D) X + 8 = 15. Show Answer Correct Answer: B) X + 8 = 20. 26. A number decreased by ten A) X + 10. B) X/10. C) 10x. D) X-10. Show Answer Correct Answer: D) X-10. 27. The answer for a particular input value A) Input value. B) Output value. C) All the above. D) None of the above. Show Answer Correct Answer: B) Output value. 28. Translate:seven less than a number squared A) $x^2-7$. B) $7-x^2$. C) $\left(x-7\right)^2$. D) $x^2+7$. Show Answer Correct Answer: A) $x^2-7$. 29. Add (-2x + 4) + (4x + 6) A) +10. B) Shi + 10. C) X-a. D) Sh-2. Show Answer Correct Answer: A) +10. 30. Which expression represents the following:the product of 15 and c A) 15 + c. B) 15-c. C) 15c. D) None of the above. Show Answer Correct Answer: C) 15c. 31. Identify the numerical coefficient of 1489xyz A) 1489. B) Xyz. C) All the above. D) None of the above. Show Answer Correct Answer: A) 1489. 32. Which expression is equivalent to-5(n + 4) A) Trend + 4. B) 5 + n-20. C) Khan-20. D) Khan + 20. Show Answer Correct Answer: C) Khan-20. 33. A website charges $ 0.99 to download a game and $ 12.49 membership fee. Write an expression that gives the total cost in dollars to download "g" games. A) 0. YAJAG+12.YY. B) G+12.49+0.99. C) 0.99+12.49. D) 12.49 c+0 p. Show Answer Correct Answer: A) 0. YAJAG+12.YY. 34. Identify the constant of the algebraic expression:3x + 5 A) 3. B) X. C) 5. D) 3x and 5. Show Answer Correct Answer: C) 5. 35. What are the terms of the following algebraic expression?12v-10 A) 12. B) 12v and 10. C) V. D) 10. Show Answer Correct Answer: B) 12v and 10. 36. 5a + 2 when a = 10 A) 86. B) 52. C) 36. D) 42. Show Answer Correct Answer: B) 52. 37. Name the constant in 10x + 3 A) 3. B) 10x. C) 10. D) X. Show Answer Correct Answer: A) 3. 38. Evaluate:12a, when a=3 A) 4. B) 20. C) 15. D) 36. Show Answer Correct Answer: D) 36. 39. Write an equation for the word problem:'The sum of a number and 10 is 25.' A) X-10 = 25. B) X-10 =-25. C) X + 10 = 25. D) X + 10 =-25. Show Answer Correct Answer: C) X + 10 = 25. 40. $\left(-4ab\right)\times\left(-3a^2bc\right)$ A) $-12abc^2$. B) $12a^3b^2c$. C) $ Live^He^S $. D) None of the above. Show Answer Correct Answer: B) $12a^3b^2c$. 41. Evaluate:-3a$^{3}$b + 5aif a =-2 and b = 5 A) 110. B) -115TagsEvaluation. C) -14. D) 145. Show Answer Correct Answer: A) 110. 42. How many terms are in the given algebraic expression? $k^2+4k-7-5m$ A) 3. B) 4. C) 1. D) 2. Show Answer Correct Answer: B) 4. 43. The sum of a number and 5 A) Foolish. B) N/5. C) N-5. D) N + 5. Show Answer Correct Answer: D) N + 5. 44. Simplify by use of common factors $\frac{x^2-4ax-4a+x}{\left(x+1\right)\left(4a^2-ax\right)}$ A) $\frac{x-1}{-a\left(x+1\right)}$. B) $\frac{1-x}{a\left(x+1\right)}$. C) $\frac{x-1}{a\left(x+1\right)}$. D) $\frac{1}{a}$. Show Answer Correct Answer: C) $\frac{x-1}{a\left(x+1\right)}$. 45. The number h decreased by eight A) H-8. B) 8-h. C) H+8. D) Sacrifice. Show Answer Correct Answer: A) H-8. 46. 6h + 30; Solve if h = 6 A) 36. B) 66. C) 96. D) 60. Show Answer Correct Answer: B) 66. 47. Translate:five times the sum of a number and four A) $5\left(x+4\right)$. B) $4\left(x+5\right)$. C) $5\left(4x\right)$. D) $ 5X + 4 $. Show Answer Correct Answer: A) $5\left(x+4\right)$. 48. Distributive Property:$5(a+6)$ A) $+I $ i. B) $+$ 30. C) $ 5 A-30 $. D) $a+30$. Show Answer Correct Answer: B) $+$ 30. 49. Which expression is equivalent to 15x + 10-6x-1? A) Yah + s. B) YAH + 11. C) 15x-3. D) 18x. Show Answer Correct Answer: A) Yah + s. 50. Simplify (5y-2x)-(-y+5x) A) 6y+3x. B) Heard. C) 4y+3x. D) Shi-sting. Show Answer Correct Answer: D) Shi-sting. 51. Factor Completely:24+16q A) 4(6q+2). B) 8 (3+2Q). C) H (s+hi). D) 24(24-16q). Show Answer Correct Answer: B) 8 (3+2Q). 52. The product of 7 and j increased by 3 is shown in which expression? A) 7J + 3. B) 7+3+j. C) 7J. D) A+h+h. Show Answer Correct Answer: A) 7J + 3. 53. Identify the variable(s) in the expression 3x + 9 A) Y. B) ZKS. C) X. D) 9. Show Answer Correct Answer: C) X. 54. Identify the given if it is rational expression or not. $\frac{n}{8+\sqrt{n}}$ A) Rational expression. B) Not rational expression. C) All the above. D) None of the above. Show Answer Correct Answer: B) Not rational expression. 55. What are the constants? 4-6y-3 + 7 A) 6, 3, 7. B) 6y. C) 4, 3, 7. D) 4, 6, 3. Show Answer Correct Answer: C) 4, 3, 7. 56. What operation does "product" represent? A) Add. B) Subtract. C) Divide. D) Multiply. Show Answer Correct Answer: D) Multiply. 57. The quotient of a number and twelve A) 12/x. B) X/12. C) X + 12. D) X-12. Show Answer Correct Answer: B) X/12. 58. Colten makes $ 20 to mow a lawn. It costs him $ 6.50 to fill up his lawn mower with 2 gallons of gas. If he mows 7 lawns and fills his tank up three times, how much did he profit? A) $ 120.50. B) $ 133.50. C) $ 13.50. D) $ 127.00. Show Answer Correct Answer: A) $ 120.50. 59. What is the constant in this expression (hint, translate first!)?"Twelve increased by the quotient of a number and nine" A) 12. B) $\frac{1}{9}$. C) 1. D) 9. Show Answer Correct Answer: A) 12. 60. The product of 7 and j increased by 3. A) 3 + 7J. B) 7J-3. C) A+h+h. D) 7(j+3). Show Answer Correct Answer: A) 3 + 7J. ← PreviousNext →Related QuizzesMathematics QuizzesClass 7 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books