This quiz works best with JavaScript enabled. Home > Grammar > Discourse > Substitution – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 5 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Three times a number increased by nine A) 3h-9. B) 3(h-9). C) 3(h+9). D) 3h+9. Show Answer Correct Answer: D) 3h+9. 2. Given u = 5, evaluate 5u-2u + 10. A) 10. B) 15. C) 25. D) 45. Show Answer Correct Answer: C) 25. 3. Which option shows a correct way to perform substitution in this system? $-6x-5y=6$ $y=3-4x$ A) $-6x-5\left(3-4x\right)=6$. B) $-6\left(3+4x\right)-5y=6$. C) $-6x-5y\left(3-4x\right)=6$. D) None of the above. Show Answer Correct Answer: A) $-6x-5\left(3-4x\right)=6$. 4. A number decreases by 50 to get the output A) X + 5 = Y. B) X-50 = Y. C) X-50. D) -50. Show Answer Correct Answer: B) X-50 = Y. 5. Electrophile used in chlorination is A) Chloride ion. B) Chloride free radical. C) Chloronium ion. D) Chlorine atom. Show Answer Correct Answer: C) Chloronium ion. 6. Solve the system of linear equations using substitution. $-8x+y=9$ $5x-y=3$ A) (-4, -23). B) (4, 14). C) (-4, 14). D) (-4, -14). Show Answer Correct Answer: A) (-4, -23). 7. That which cannot be overcome or defeated A) Irrevocable. B) Invincible. C) Inimitable. D) Incredible. Show Answer Correct Answer: B) Invincible. 8. Using Substitution, solve for the following system of linear equations:$y=3x$ $2x-3y=14$ A) No solution. B) Infinitely many solutions. C) (-3, 7). D) (-2, -6). Show Answer Correct Answer: D) (-2, -6). 9. Work out the value of the following expressions when a = 3, b = 4 and c = 5.2a$^{2}$ + c$^{2 }$ A) 22. B) 34. C) 68. D) 43. Show Answer Correct Answer: D) 43. 10. In SN1 reaction on optically active substrate gives A) Retention in configuration. B) Inversion in configuration. C) Racemic mixture. D) No product. Show Answer Correct Answer: C) Racemic mixture. 11. Y =-3x + 11y =-6x-13 A) (-8, 35). B) (8, -13). C) (1, 8). D) (2, 13). Show Answer Correct Answer: A) (-8, 35). 12. Find an equivalent expression to 4(2x + 10y) A) 8(x + 10y). B) 8(x + 5y). C) 8x + 10y. D) 8x + 14y. Show Answer Correct Answer: B) 8(x + 5y). 13. If a = 2 and b = 4, calculate ab-2b A) 0. B) 2. C) 4. D) None of the above. Show Answer Correct Answer: A) 0. 14. In the sentence 'He will come if you do', what does 'do' substitute? A) Come. B) Will. C) He. D) You. Show Answer Correct Answer: A) Come. 15. Simplify $-8\left(-3x-4z\right)$ A) 240. B) -48. C) 48. D) -240. Show Answer Correct Answer: B) -48. 16. Which word can substitute the phrase 'has not' in the sentence 'He has not completed the task'? A) Hasn't. B) Haven't. C) Won't. D) Shouldn't. Show Answer Correct Answer: A) Hasn't. 17. Solve the system using substitution:x =-3y-172x + 3y =-7 A) (1, -20). B) (3, 0). C) (-5, -2). D) (10, -9). Show Answer Correct Answer: D) (10, -9). 18. Solve by Substitution:y = 3x and-3x + 4y = 9 A) (1, 2). B) (1, 3). C) (-2, 3). D) None of the above. Show Answer Correct Answer: B) (1, 3). 19. Simplify $5-7s-9d$ A) -50. B) 6. C) 4. D) -55. Show Answer Correct Answer: A) -50. 20. Incapable of being seen through A) Brittle. B) Opaque. C) Ductile. D) Transparent. Show Answer Correct Answer: B) Opaque. 21. Solve for x and y using any method we've learned!y = 2x + 1y = 4x-1 A) (1, 3). B) (-1, -3). C) (-1, 3). D) (3, 1). Show Answer Correct Answer: A) (1, 3). 22. Y = x-52x + y = 10 What is the solution? A) (-5, 0). B) (5, 0). C) (0, -5). D) (0, 5). Show Answer Correct Answer: B) (5, 0). 23. If x = 4, solve for y:2x-3y =-1y = x-1 A) Y = 3. B) Y = 5. C) Y =-3. D) Y =-5. Show Answer Correct Answer: A) Y = 3. 24. When $c=2\\and\d=4$ $cd$ A) 24. B) 8. C) 6. D) 42. Show Answer Correct Answer: B) 8. 25. Solve:$x=-3y+1$ $-3x-3y=-15$ A) Infinitely many solutions. B) (-1, 5). C) (7, -2). D) No solution. Show Answer Correct Answer: C) (7, -2). 26. Solve for x and y3x + 2y = 167x + y = 19 A) (-2, 5). B) (-2, -5). C) (2, -5). D) (2, 5). Show Answer Correct Answer: D) (2, 5). 27. All the data in the computer has been wiped out by the virus. The data has been ..... A) Immortal. B) Erased. C) All the above. D) None of the above. Show Answer Correct Answer: B) Erased. 28. A christian mass in memory of a dead person A) Requiem. B) Litany. C) Funeral. D) Obituary. Show Answer Correct Answer: A) Requiem. 29. One who is a bootlicker, flatterer? A) Patient. B) Sychopant. C) Charmer. D) Flirt. Show Answer Correct Answer: B) Sychopant. 30. An instrument to measure temperature A) Thermometer. B) Barometer. C) Manometer. D) Microscope. Show Answer Correct Answer: A) Thermometer. ← PreviousNext →Related QuizzesGrammar QuizzesSubstitution Quiz 1Substitution Quiz 2Substitution Quiz 3Substitution Quiz 4Substitution Quiz 6Substitution Quiz 7Substitution Quiz 8Substitution Quiz 9Substitution Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books