This quiz works best with JavaScript enabled. Home > English Grammar > 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. Using Substitution, solve for the following system of linear equations:$y=3x$ $2x-3y=14$ A) Infinitely many solutions. B) (-2, -6). C) (-3, 7). D) No solution. Show Answer Correct Answer: B) (-2, -6). 2. 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. 3. In SN1 reaction on optically active substrate gives A) No product. B) Inversion in configuration. C) Retention in configuration. D) Racemic mixture. Show Answer Correct Answer: D) Racemic mixture. 4. Y =-3x + 11y =-6x-13 A) (2, 13). B) (-8, 35). C) (1, 8). D) (8, -13). Show Answer Correct Answer: B) (-8, 35). 5. Find an equivalent expression to 4(2x + 10y) A) 8x + 10y. B) 8(x + 10y). C) 8x + 14y. D) 8(x + 5y). Show Answer Correct Answer: D) 8(x + 5y). 6. 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. 7. In the sentence 'He will come if you do', what does 'do' substitute? A) He. B) Come. C) Will. D) You. Show Answer Correct Answer: B) Come. 8. Simplify $-8\left(-3x-4z\right)$ A) -48. B) 240. C) 48. D) -240. Show Answer Correct Answer: A) -48. 9. Which word can substitute the phrase 'has not' in the sentence 'He has not completed the task'? A) Haven't. B) Won't. C) Hasn't. D) Shouldn't. Show Answer Correct Answer: C) Hasn't. 10. Solve the system using substitution:x =-3y-172x + 3y =-7 A) (3, 0). B) (-5, -2). C) (1, -20). D) (10, -9). Show Answer Correct Answer: D) (10, -9). 11. 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). 12. Simplify $5-7s-9d$ A) 6. B) -50. C) 4. D) -55. Show Answer Correct Answer: B) -50. 13. Incapable of being seen through A) Brittle. B) Opaque. C) Transparent. D) Ductile. Show Answer Correct Answer: B) Opaque. 14. Solve for x and y using any method we've learned!y = 2x + 1y = 4x-1 A) (-1, 3). B) (3, 1). C) (-1, -3). D) (1, 3). Show Answer Correct Answer: D) (1, 3). 15. Y = x-52x + y = 10 What is the solution? A) (0, -5). B) (-5, 0). C) (5, 0). D) (0, 5). Show Answer Correct Answer: C) (5, 0). 16. If x = 4, solve for y:2x-3y =-1y = x-1 A) Y =-3. B) Y = 3. C) Y = 5. D) Y =-5. Show Answer Correct Answer: B) Y = 3. 17. When $c=2\\and\d=4$ $cd$ A) 8. B) 24. C) 42. D) 6. Show Answer Correct Answer: A) 8. 18. Solve:$x=-3y+1$ $-3x-3y=-15$ A) (7, -2). B) No solution. C) Infinitely many solutions. D) (-1, 5). Show Answer Correct Answer: A) (7, -2). 19. 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: B) (2, 5). 20. 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. 21. A christian mass in memory of a dead person A) Requiem. B) Litany. C) Obituary. D) Funeral. Show Answer Correct Answer: A) Requiem. 22. One who is a bootlicker, flatterer? A) Flirt. B) Charmer. C) Patient. D) Sychopant. Show Answer Correct Answer: D) Sychopant. 23. An instrument to measure temperature A) Thermometer. B) Manometer. C) Barometer. D) Microscope. Show Answer Correct Answer: A) Thermometer. 24. The Neolithic Age includes ..... A) Nomads. B) Hunting and gathering. C) Agriculture and domestication of animals. D) Copper, bronze and iron. Show Answer Correct Answer: C) Agriculture and domestication of animals. 25. What is the best method to use?y =-3x + 5y = x-1 A) Graphing, because they are both in slope-intercept form. B) Substitution because a variable is isolated (solved for). C) All the above. D) None of the above. Show Answer Correct Answer: A) Graphing, because they are both in slope-intercept form. 26. A cure for everything A) Panicea. B) Pannecea. C) Panacea. D) Panecea. Show Answer Correct Answer: C) Panacea. 27. A tertiary halide will likely react with a ..... mechanism A) S$_{N}$1$_{ }$or E2$_{ }$depending on the solvent characteristics. B) S$_{N}$2$_{ }$always. C) S$_{N}$1 or E2 or E1$_{ }$depending on the base or nucleophile characterisitcs. D) S$_{N}$1 or S$_{N}$2. Show Answer Correct Answer: C) S$_{N}$1 or E2 or E1$_{ }$depending on the base or nucleophile characterisitcs. 28. Find the solution to these systems y=4x+43x+y=25 A) (0, 25). B) (2, 12). C) (3, 16). D) (0, 4). Show Answer Correct Answer: C) (3, 16). 29. Under what reaction conditions does the electrophilic chlorination of aromatic compounds usually occur? A) Cl$_{2}$, CCl$_{4}$. B) Cl$_{2}$, H$_{2}$O. C) Cl$_{2}$, AlCl$_{3}$. D) NaCl, H$_{2}$O. Show Answer Correct Answer: C) Cl$_{2}$, AlCl$_{3}$. 30. Y = 2x + 5-4x + y = 9 A) (-2, 1). B) (-2, -1). C) (2, -1). D) (2, 1). Show Answer Correct Answer: A) (-2, 1). ← PreviousNext →Related QuizzesGrammar QuizzesEnglish Grammar QuizzesSubstitution Quiz 1Substitution Quiz 2Substitution Quiz 3Substitution Quiz 4Substitution Quiz 6Substitution Quiz 7Substitution Quiz 8Substitution Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books