This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Discourse > Substitution – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Y = 2x + 2x = 1y =? A) 3. B) 5. C) 4. D) 6. Show Answer Correct Answer: C) 4. 2. Is the point (2, -1) a solution to the systems of equations below?y=5x+3y=-2x-4 A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 3. Work out the value of 2ab the expression when a = 3, b =-4. A) 1. B) 9. C) 24. D) -24. Show Answer Correct Answer: D) -24. 4. A baby carriage? A) Perambulator. B) Stroll. C) Carriage. D) Carrier. Show Answer Correct Answer: A) Perambulator. 5. Solve the system using elimination:3x + y = 192x-y = 6 A) (5, 4). B) (14, 5). C) (4, 5). D) (5, 14). Show Answer Correct Answer: A) (5, 4). 6. We were asked to leave our cameras outside and we ..... A) So did. B) Did so. C) Neither did. D) Hope so. E) That. Show Answer Correct Answer: B) Did so. 7. R$^{2 }$+ 4r = 3 A) 20. B) 13. C) 10. D) 34. Show Answer Correct Answer: B) 13. 8. What is the value of 7a + 3 if a =-2? A) -10. B) -11. C) 10. D) 11. Show Answer Correct Answer: B) -11. 9. Solve each equation using the substitution method:r + 4 = 12 A) 8. B) -8. C) 16. D) None of those. Show Answer Correct Answer: A) 8. 10. Solve the system of equations by substitution. $2x-8y=4$ $y=2x-4$ A) (2, 0). B) No solution. C) (-6, 0). D) (3, 0). Show Answer Correct Answer: A) (2, 0). 11. Y = x-2-2x + 3y =-1 A) (5, -3). B) (-5, 3). C) (-5, -3). D) (5, 3). Show Answer Correct Answer: D) (5, 3). 12. 3x + 7y What are the numbers in front of the letters called? A) Expressions. B) Variables. C) Constants. D) Coefficients. Show Answer Correct Answer: D) Coefficients. 13. Solve the system using substitution.y =-3x + 9-8x + 5y =-1 A) (3, 2). B) No Solution. C) Infinitely Many Solutions. D) (2, 3). Show Answer Correct Answer: D) (2, 3). 14. Solve by substitution2x-8y=22x=-7y A) (1, 7). B) (7, 1). C) (7, -1). D) (17, -129). Show Answer Correct Answer: C) (7, -1). 15. Solve by Substitution:y=3x+14y=-4x A) (2, -8). B) (-2, 8). C) (-14, 56). D) (8, -2). Show Answer Correct Answer: B) (-2, 8). 16. Solve for x and y by using the substitution method.3x + 2y = 16 y =-7x + 19 A) (-2, 5). B) (-2, -5). C) (2, -5). D) (2, 5). Show Answer Correct Answer: D) (2, 5). 17. If $b=10$ $\frac{40}{b}$ A) 30. B) 2. C) 10. D) 4. Show Answer Correct Answer: D) 4. 18. Define substitute. A) The number multiplied by a variable. B) To replace a variable with a value or an expression. C) A number standing alone. D) To find the value of an expression. Show Answer Correct Answer: B) To replace a variable with a value or an expression. 19. Evaluate 7y-3y for y=2 A) 8. B) 73. C) 4. D) 20. Show Answer Correct Answer: A) 8. 20. Y =-6x + 5-2x + y = 5 A) (-3, 5). B) (-3, -6). C) (-6, 3). D) (0, 5). Show Answer Correct Answer: D) (0, 5). 21. If a = 4, b = 5 and c = 6, find 2c-a-b A) 6. B) 3. C) 5. D) 4. Show Answer Correct Answer: B) 3. 22. Can museums continue to attract people in the internet era? Well, I certainly ..... so. A) Too. B) Hope. C) Do. D) Think. Show Answer Correct Answer: B) Hope. 23. Use substitution to evaluate the integral $\int x^{\frac{1}{3}}\\cos\left(x^{\frac{4}{3}}-8\right)dx$ A) $\frac{3}{4}\sin\left(x^{\frac{4}{3}}-8\right)+C$. B) $\frac{4}{3}\cos\left(x^{\frac{4}{3}}-8\right)+C$. C) $\frac{3}{4}\cos\left(x^{\frac{4}{3}}-8\right)+C$. D) $\frac{3}{7}\sin\left(x^{\frac{7}{3}}-8\right)+C$. Show Answer Correct Answer: A) $\frac{3}{4}\sin\left(x^{\frac{4}{3}}-8\right)+C$. 24. Solve using substitution. y =-2x + 18x = 5 A) (-2, 8). B) (5, 8). C) (-5, 8). D) (2, 8). Show Answer Correct Answer: B) (5, 8). 25. ..... contains variables, numbers, and at least one operation. A) Constant. B) Term. C) Expression. D) Equation. Show Answer Correct Answer: C) Expression. 26. Water fit for drinking A) Portable. B) Potable. C) Palatable. D) Packable. Show Answer Correct Answer: B) Potable. 27. A substitution reaction is when: A) A substituent is removed from an organic compound. B) A substituent is added to an organic compound. C) A substituent is replaced with another substituent on an organic compound. D) Two compounds are combined to form a new compound. Show Answer Correct Answer: C) A substituent is replaced with another substituent on an organic compound. 28. Solve the system using substitution.16x + 2y = 2y =-8x-1 A) Infinitely Many Solutions. B) No Solution. C) (-3, 7). D) (2, 3). Show Answer Correct Answer: B) No Solution. 29. Y =-6-3x-6y = 24 A) (6, 6). B) (6, -6). C) (4, -6). D) (-6, 4). Show Answer Correct Answer: C) (4, -6). 30. The bulkier the molecule the more steric hindrance. Does steric hindrance make a good or poor nucleophile? A) Good. B) Poor. C) All the above. D) None of the above. Show Answer Correct Answer: B) Poor. 31. Solve the system using substitution. $y=3x$ $-3x-y=-24$ A) (-4. 12). B) (12, -4). C) (12, 4). D) (4, 12). Show Answer Correct Answer: D) (4, 12). 32. A speech by an actor at the end of a play is called a/an? A) Monologue. B) Epilogue. C) Duologue. D) Prologue. Show Answer Correct Answer: B) Epilogue. 33. Solve the system of linear equations using substitution. $x-y=0$ $9x+y=0$ A) (1, 9). B) (9, 9). C) (0, 0). D) (0, 9). Show Answer Correct Answer: C) (0, 0). 34. The nitration of benzene uses a nitrating mixture of concentrated nitric acid and concentrated sulfuric acid.HNO$_{3}$ + 2H$_{2}$SO$_{4}$ $\rightarrow$ NO$_{2}$$^{+}$ + H$_{3}$O$^{+}$ + 2HSO$_{4}$$^{-}$ Which statement is correct? A) HNO$_{3}$ acts as a base. B) HNO$_{3}$ acts as a catalyst. C) HNO$_{3}$ acts as an electrophile. D) HNO$_{3}$ acts as a reducing agent. Show Answer Correct Answer: A) HNO$_{3}$ acts as a base. 35. When n=6, 5n is, A) 30. B) 65. C) 56. D) 11. Show Answer Correct Answer: A) 30. 36. Solve by substitution:y = x + 8y = 9x A) (-7, -63). B) (1, 9). C) (-1, 7). D) (0, 8). Show Answer Correct Answer: B) (1, 9). 37. Mrs. Joes health has become worse since her operation. Her condition has ..... A) Deteriorated. B) Generally. C) All the above. D) None of the above. Show Answer Correct Answer: A) Deteriorated. 38. What is the solution to 4x + y = 82x + 2y = 10 A) 4, 1. B) 1, 12. C) 1, 4. D) -1, 4. Show Answer Correct Answer: C) 1, 4. 39. If a system of equations has infinitely many solution, what does the graph look like? A) Intersecting lines. B) Parallel lines. C) One horizontal and one vertical line. D) Coinciding lines (overlapping). Show Answer Correct Answer: D) Coinciding lines (overlapping). 40. Solve:y = 7x + 72y + 2x =-18 A) (1, 16). B) (-2, -7). C) (5, 0). D) (9, 18). Show Answer Correct Answer: B) (-2, -7). 41. Let x = 6 and y = 3, calculate 3x-4y A) 12. B) 18x-12y. C) 6. D) 6(x-y). Show Answer Correct Answer: C) 6. 42. What is the solution to the following system?$^{y =-6x}$$^{y = 48}$ A) (-6, -8). B) (-6, 48). C) (-8, 48). D) Infinite solutions. Show Answer Correct Answer: C) (-8, 48). 43. Solve by Substitution:y =-6-3x-6y = 24 A) (6, 6). B) (6, -6). C) (-6, 4). D) (4, -6). Show Answer Correct Answer: D) (4, -6). 44. 4x-5y = 21x-3y = 7 A) (-3, 2). B) (-4, -1). C) (1, -3). D) (4, -1). Show Answer Correct Answer: D) (4, -1). 45. F(x) is the same thing as ..... A) An equation. B) Y. C) X. D) Input. Show Answer Correct Answer: B) Y. 46. Toluene is heated with nitrating mixture at high temperature. The product is A) 2, 4, 6-trinitro toluene. B) Nitro toluene. C) 0-nitro toluene. D) 2, 4-dinitro toluene. Show Answer Correct Answer: A) 2, 4, 6-trinitro toluene. 47. Solve the system of equations. $y=-5x$ $x+3y=28$ A) $\left(-6, 30\right)$. B) $\left(-2, 10\right)$. C) $\left(30, -6\right)$. D) $\left(10, -2\right)$. Show Answer Correct Answer: B) $\left(-2, 10\right)$. 48. Solve for x and y.y = 2/3x-2y =-x + 3 A) (0, 3). B) (-3, 0). C) (3, 0). D) (0, -3). Show Answer Correct Answer: C) (3, 0). 49. If a = 6 and b = 7, find the value of 15-a-b. A) 2. B) 4. C) 5. D) 3. Show Answer Correct Answer: A) 2. 50. What is the first step to solving this system by substitution? y= 4x + 3 2x-3y = 21 A) 2x-3y = 4x + 3. B) 2x-3 = 4x + 3. C) 2x-3(4x + 3) = 21. D) 2(4x + 3)-3y = 21. Show Answer Correct Answer: C) 2x-3(4x + 3) = 21. 51. What is the definition of no solution? A) The lines cross once. B) The lines are parallel. C) They're the same lines. D) None of the above. Show Answer Correct Answer: B) The lines are parallel. 52. Solve the system by substitution. 5x + 4y=-14 y =-7x-15 A) (-2, -1). B) (-2, 1). C) (1, -2). D) (-1, -2). Show Answer Correct Answer: A) (-2, -1). 53. Does the system have one, none or infinite solutions?y = 2x-11y = 2x +5 A) One. B) None. C) Infinitely many solutions. D) None of the above. Show Answer Correct Answer: B) None. 54. 6a-3dwhen a = 1, d = 2 A) 12. B) 1. C) 3. D) 0. Show Answer Correct Answer: D) 0. 55. Solve each equation using the substitution method:k-10 = 7 A) -3. B) 7/10. C) 17. D) None of those. Show Answer Correct Answer: C) 17. 56. What does the word 'do' substitute in the sentence 'They enjoy hiking, and so do we'? A) Hiking. B) They. C) Enjoy hiking. D) We. Show Answer Correct Answer: C) Enjoy hiking. 57. What is the collective noun for a group of dolphins? A) Pod. B) Pride. C) Prickle. D) Cackle. Show Answer Correct Answer: A) Pod. 58. 7x-5y =-5y =-4x + 1 A) (1, 0). B) (0, 1). C) (0, 3). D) (0, -4). Show Answer Correct Answer: B) (0, 1). 59. Which ordered pair is a solution to the system:$x=2y+5$ $2x-3y=7$ A) (1, -3). B) (3, 1). C) (-1, 3). D) (-1, -3). Show Answer Correct Answer: D) (-1, -3). 60. Solve the following system of equations:y = 6x-11-2x-3y =-7 A) (2, 1). B) (3, 2). C) (2, 5). D) (1, 2). Show Answer Correct Answer: A) (2, 1). 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