This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Discourse > Substitution – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 23 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What was the main way Italian city-states became wealthy? A) Trade. B) Shipbuilding. C) Banking. D) None of the above. Show Answer Correct Answer: A) Trade. 2. If $x=5$ $\frac{x+3}{4}$ A) $\frac{53}{4}$. B) $8$. C) $4$. D) $2$. Show Answer Correct Answer: D) $2$. 3. Solve each equation using the substitution method:2m = 6 A) 2. B) 12. C) 4. D) None of those. Show Answer Correct Answer: D) None of those. 4. Y =-2x + 18y = 8 A) (-2, 8). B) (2, 8). C) (5, 8). D) (-5, 8). Show Answer Correct Answer: C) (5, 8). 5. $\int_{ }^{ }\sin^{-1}\left(\cos2x\right)dx$ A) $\frac{\pi}{2}-2x+c$. B) $\frac{\pi}{2}x-x^2+c$. C) $\frac{\pi}{2}x-\frac{x^2}{2}+c$. D) $\frac{\pi}{2}x+x^2+c$. Show Answer Correct Answer: B) $\frac{\pi}{2}x-x^2+c$. 6. Solve using substitution:$y=7x+9$ $4x+2y=-18$ A) $\left(-2, -5\right)$. B) $\left(5, 0\right)$. C) $\left(1, 16\right)$. D) $\left(9, 18\right)$. Show Answer Correct Answer: A) $\left(-2, -5\right)$. 7. What is the solution to the system of equations:3x-7y = 41 and x =-2y-21? A) (-4, 6). B) (-3, 5). C) (-5, -8). D) (-2, 4). Show Answer Correct Answer: C) (-5, -8). 8. Y =-5x-14y = 5x + 6 A) (-4, -2). B) (-2, 4). C) (-2, -2). D) (-2, -4). Show Answer Correct Answer: D) (-2, -4). 9. Solve the system of equations:4x+8y=20-4x+2y=-30 A) (7, -1). B) (-7, 1). C) (2, -5). D) (-2, 5). Show Answer Correct Answer: A) (7, -1). 10. Something that can be carried easily A) Relatable. B) Cartable. C) Portable. D) Potable. Show Answer Correct Answer: C) Portable. 11. If a = 4 and b = 6, what is the value of 3a + 5b? A) 40. B) 42. C) 46. D) 44. Show Answer Correct Answer: B) 42. 12. Y =-6x-2y = 4x-12 A) (-1, 8). B) (1, 8). C) (1, 0). D) (1, -8). Show Answer Correct Answer: D) (1, -8). 13. Y =-2x + 5y = 2x-11 A) (0, 0). B) (4, -3). C) No Solution. D) (3, -1). Show Answer Correct Answer: B) (4, -3). 14. Solve the system of linear equations using substitution. $6x-y=24$ $6x+y=-12$ A) (1, -18). B) (1, 18). C) (-1, 18). D) (-1, -18). Show Answer Correct Answer: A) (1, -18). 15. When considering electrophilic aromatic substitution reactions electron withdrawing substituents (e.g. cyano) are described as ..... A) Ortho/para directing and activating. B) Ortho/para directing and deactivating. C) Meta directing and activating. D) Meta directing and deactivating. Show Answer Correct Answer: D) Meta directing and deactivating. 16. A style in which a writer makes a display of his knowledge A) Ornate. B) Verbose. C) Pompous. D) Pedantic. Show Answer Correct Answer: D) Pedantic. 17. Evaluate 8a-b if a = 10 and b = 6 A) 74. B) 8106. C) 38. D) 86. Show Answer Correct Answer: A) 74. 18. 10 + X = yIf X = 1, then Y = A) 11. B) 8. C) 9. D) None of the above. Show Answer Correct Answer: A) 11. 19. A system of equations is shown. y = 2x-5y = x + 1What is the solution to the system of equations? A) X = 6y = 7. B) X = 2y =-1. C) X = 2y = 3. D) None of the above. Show Answer Correct Answer: A) X = 6y = 7. 20. Solve the equation:x + 7 = 12 A) X = 19. B) X = 84. C) X = 5. D) X =-5. Show Answer Correct Answer: C) X = 5. 21. If b = 7 and e = 2, what is 3b + e? A) 21. B) 22. C) 23. D) 24. Show Answer Correct Answer: C) 23. 22. Simplify $7\left(-5b-9f\right)$ A) 189. B) -819. C) -189. D) None of the above. Show Answer Correct Answer: A) 189. 23. In the modern times, a sea voyage for pleasure can be called as A) Cruise. B) Trawl. C) Boat trip. D) Voyage. Show Answer Correct Answer: A) Cruise. 24. H decreased by 13 A) H / 13. B) H-13. C) H + 13. D) 13-h. Show Answer Correct Answer: B) H-13. 25. What is the solution to this system? Solve by substitution.y= 4x + 32x-3y = 21 A) (-3, -9). B) (3, -9). C) (0, 1). D) (-3, 9). Show Answer Correct Answer: A) (-3, -9). 26. What is the solution to the system of equations:y=2x and 5x-y = 9? A) (-1, -3). B) (-3, -9). C) (0, 0). D) (3, 6). Show Answer Correct Answer: D) (3, 6). 27. Solve the system of equations. What is the value of the X? 3x-y = 5 x + y = 3 A) X =-1. B) X = 2. C) X = 1. D) X =-2. Show Answer Correct Answer: B) X = 2. 28. What is a Friedel-Crafts reaction? A) An electrophilic substitution reaction. B) A reaction to form a C-C bond to an aromatic ring. C) A reaction involving a Lewis acid. D) None of the above. Show Answer Correct Answer: B) A reaction to form a C-C bond to an aromatic ring. 29. Given f(x)=5x-2 and g(x)=x$^{2}$, find f(2)+g(7) A) 49. B) 8. C) -41. D) 57. Show Answer Correct Answer: D) 57. 30. Solve the system of linear equations using substitution. $x+y=7$ $7x+y=1$ A) (8, -1). B) (-1, 8). C) (1, 8). D) (-1, -8). Show Answer Correct Answer: B) (-1, 8). ← PreviousNext →Related QuizzesGrammar QuizzesEnglish Grammar QuizzesSubstitution Quiz 1Substitution Quiz 2Substitution Quiz 3Substitution Quiz 4Substitution Quiz 5Substitution Quiz 6Substitution Quiz 7Substitution Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books