This quiz works best with JavaScript enabled. Home > Grammar > Discourse > Substitution – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Y = 5x + 78x-8y =-24 A) (4, -4). B) (-4, -4). C) (4, 4). D) (4, 0). Show Answer Correct Answer: A) (4, -4). 2. If $h=7$ $h^2$ A) 14. B) 49. C) 72. D) 36. Show Answer Correct Answer: B) 49. 3. 8x-6y = 0y = 3x + 5 A) (-3, 0). B) (-3, -4). C) (3, 0). D) (0, 3). Show Answer Correct Answer: B) (-3, -4). 4. Medical study of skin and its diseases? A) Endocrinology. B) Dermatology. C) Nephrology. D) Ophthalmalogy. Show Answer Correct Answer: B) Dermatology. 5. M-nitrophenol is nitrated. The major products are A) 2, 3-dinitrophenol. B) 3, 4-dinitrophenol. C) 3, 6-dinitrophenol. D) Both b and c. Show Answer Correct Answer: D) Both b and c. 6. The girls are talking in a low voices. They are ..... to each other. A) Whispering. B) Released. C) All the above. D) None of the above. Show Answer Correct Answer: A) Whispering. 7. The product of 7 and j increased by 3. A) 3+7j. B) 7j-3. C) 7(j+3). D) 3j+7. Show Answer Correct Answer: A) 3+7j. 8. A century is a period of ..... A) 50 years. B) 100 years. C) 150 years. D) 1, 000 years. Show Answer Correct Answer: B) 100 years. 9. Evaluate a-2b when a=-9 and b = 4 A) 22. B) -22. C) 14. D) -14. Show Answer Correct Answer: A) 22. 10. Which option shows a correct way to perform substitution in this system? $3x+1=y$ $2x+3y=25$ A) $3x+1=\left(3x+1\right)$. B) $2x+3\left(3x+1\right)=25$. C) $2x+\left(3x+1\right)=25$. D) $3x+1=\left(25-2x\right)$. Show Answer Correct Answer: B) $2x+3\left(3x+1\right)=25$. 11. Which method would be best (quickest) for solving the system below:3x-4y =-2y = 2x + 1 A) Substitution. B) Elimination. C) Graphing. D) None. Show Answer Correct Answer: A) Substitution. 12. What is the solution to the system of equations:y=x+2 and 3x + 3y = 6? A) (-1, 1). B) (0, 2). C) (1, 3). D) (2, 4). Show Answer Correct Answer: B) (0, 2). 13. The Study of Ancient Societies A) History. B) Archaeology. C) Anthropology. D) Etymology. Show Answer Correct Answer: B) Archaeology. 14. Which one of the following will undergo nucleophilic substitution with sodium hydroxide (aq)? A) Ethene. B) Ethane. C) Bromoethane. D) Cyclopentane. Show Answer Correct Answer: C) Bromoethane. 15. ..... are those materials with good performance or good functions that can be used in harmony with the environment. A) Ecomaterials. B) Raw materials. C) Substitute material. D) Re-using material. Show Answer Correct Answer: A) Ecomaterials. 16. A solution to a system that results in an unlimited amount of x values and an unlimited amount of y values that will satisfy both equations A) No Solution. B) One Solution. C) Infinite Solutions. D) Beyond Solutions. Show Answer Correct Answer: C) Infinite Solutions. 17. Work out the value of the expression when x = 3, y =-2 and z =-4.2x$^{2}$ + z$^{2 }$ A) 2. B) 27. C) 50. D) 34. Show Answer Correct Answer: D) 34. 18. When one material is substituted for another after a specific date A) Substituting materials-By date. B) Substituting materials-During master planning. C) Substituting materials-During production. D) None of the above. Show Answer Correct Answer: A) Substituting materials-By date. 19. That which cannot be changed A) Irrevocable. B) Irrepressible. C) Immutable. D) Irrelevant. Show Answer Correct Answer: C) Immutable. 20. What is the value of-6s-5h if s = 9 and h = 5? A) -79. B) 79. C) 78. D) -78. Show Answer Correct Answer: A) -79. 21. What is the proper set up to solve the equation?-7x-2y=-13x = 2y+11 A) -7(11)-2y =-13. B) -7(2y +11)-2y =-13. C) -7x-2(11) =-13. D) -7x-2(2y+11)=-13. Show Answer Correct Answer: B) -7(2y +11)-2y =-13. 22. If a= 5. What is 3a? A) 5. B) -5. C) 21. D) 15. Show Answer Correct Answer: D) 15. 23. If a=4, b=5 and c=6, find 2c-a-b A) 4. B) 3. C) 6. D) None of the above. Show Answer Correct Answer: B) 3. 24. Partner in crime A) Acronym. B) Addendum. C) Abstruse. D) Accomplice. Show Answer Correct Answer: D) Accomplice. 25. Work out the value of a + b when a = 3 and b = 4 A) 7. B) 8. C) 9. D) 6. Show Answer Correct Answer: A) 7. ← PreviousNext →Related QuizzesGrammar QuizzesSubstitution Quiz 1Substitution Quiz 2Substitution Quiz 3Substitution Quiz 5Substitution Quiz 6Substitution Quiz 7Substitution Quiz 8Substitution Quiz 9Substitution Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books