This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 10 Algebraic Expressions – Quiz 39 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 10 Algebraic Expressions Quiz 39 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. A lower case letter or symbol used to represent an unknown value is called a what? A) Term. B) Variable. C) Constant. D) Operation. Show Answer Correct Answer: B) Variable. 3. Click on the name of the red part of the algebraic expression:4 (x-2)$^{ }$-12 A) Constant. B) Variable. C) Coefficient. D) Exponent. Show Answer Correct Answer: A) Constant. 4. What is the expression for 100 decreased by a number k A) K-100. B) K + 100. C) 100-k. D) 100 + k. Show Answer Correct Answer: C) 100-k. 5. Find the difference of (-5x$^{2}$-4x + 2) and (x$^{2}$-6x + 5) A) -4x$^{2}$-10x + 7. B) -6x$^{2}$$^{}$ + 2x-3. C) -6x$^{2}$-10x + 7. D) 6x$^{2}$-2x-7. Show Answer Correct Answer: B) -6x$^{2}$$^{}$ + 2x-3. 6. 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). 7. Maria has $ 100 and deposits d dollars in to her bank account. She now has $ 280. A) D-100=280. B) 280-d=100. C) 100+d=280. D) 280+d=100. Show Answer Correct Answer: C) 100+d=280. 8. Evaluate expression:-5a-b for a=-6 and b= 3 A) 33. B) 30. C) 27. D) 24. Show Answer Correct Answer: C) 27. 9. Write an equation for the word problem:'A number increased by 8 is equal to 20.' A) X + 8 = 10. B) X + 8 = 15. C) X + 8 = 25. D) X + 8 = 20. Show Answer Correct Answer: D) X + 8 = 20. 10. + 5) + 2(x-4) A) 11x + 22. B) 20x + 22. C) 20x + 1. D) 18x + 26. Show Answer Correct Answer: B) 20x + 22. 11. 4 less than g A) 4-g. B) G-4. C) 4 + g. D) None of the above. Show Answer Correct Answer: B) G-4. 12. A number decreased by ten A) X + 10. B) X-10. C) 10x. D) X/10. Show Answer Correct Answer: B) X-10. 13. 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. 14. -h (-CD-5) A) -16d+20. B) 16+20. C) 16D+20. D) 16s-20. Show Answer Correct Answer: C) 16D+20. 15. Translate:seven less than a number squared A) $7-x^2$. B) $\left(x-7\right)^2$. C) $x^2-7$. D) $x^2+7$. Show Answer Correct Answer: C) $x^2-7$. 16. Add (-2x + 4) + (4x + 6) A) +10. B) Shi + 10. C) X-a. D) Sh-2. Show Answer Correct Answer: A) +10. 17. 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. 18. 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. 19. Which expression is equivalent to-5(n + 4) A) Khan + 20. B) Trend + 4. C) Khan-20. D) 5 + n-20. Show Answer Correct Answer: C) Khan-20. 20. 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) 12.49 c+0 p. B) 0. YAJAG+12.YY. C) 0.99+12.49. D) G+12.49+0.99. Show Answer Correct Answer: B) 0. YAJAG+12.YY. 21. 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. 22. 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. 23. 5a + 2 when a = 10 A) 42. B) 36. C) 52. D) 86. Show Answer Correct Answer: C) 52. 24. Name the constant in 10x + 3 A) 10. B) X. C) 10x. D) 3. Show Answer Correct Answer: D) 3. 25. Evaluate:12a, when a=3 A) 15. B) 4. C) 36. D) 20. Show Answer Correct Answer: C) 36. ← 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 9Class 7 Mathematics Chapter 10 Algebraic Expressions Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books