This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Discourse > Substitution – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 2 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Solve the system using substitution. $y=3x$ $-3x-y=-24$ A) (12, -4). B) (12, 4). C) (-4. 12). D) (4, 12). Show Answer Correct Answer: D) (4, 12). 2. A speech by an actor at the end of a play is called a/an? A) Epilogue. B) Monologue. C) Prologue. D) Duologue. Show Answer Correct Answer: A) Epilogue. 3. Solve the system of linear equations using substitution. $x-y=0$ $9x+y=0$ A) (9, 9). B) (0, 9). C) (0, 0). D) (1, 9). Show Answer Correct Answer: C) (0, 0). 4. 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 reducing agent. B) HNO$_{3}$ acts as a catalyst. C) HNO$_{3}$ acts as an electrophile. D) HNO$_{3}$ acts as a base. Show Answer Correct Answer: D) HNO$_{3}$ acts as a base. 5. When n=6, 5n is, A) 30. B) 11. C) 56. D) 65. Show Answer Correct Answer: A) 30. 6. Solve by substitution:y = x + 8y = 9x A) (0, 8). B) (-1, 7). C) (-7, -63). D) (1, 9). Show Answer Correct Answer: D) (1, 9). 7. 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. 8. What is the solution to 4x + y = 82x + 2y = 10 A) -1, 4. B) 1, 12. C) 1, 4. D) 4, 1. Show Answer Correct Answer: C) 1, 4. 9. 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). 10. Solve:y = 7x + 72y + 2x =-18 A) (1, 16). B) (-2, -7). C) (9, 18). D) (5, 0). Show Answer Correct Answer: B) (-2, -7). 11. Let x = 6 and y = 3, calculate 3x-4y A) 12. B) 6. C) 18x-12y. D) 6(x-y). Show Answer Correct Answer: B) 6. 12. What is the solution to the following system?$^{y =-6x}$$^{y = 48}$ A) (-8, 48). B) (-6, -8). C) (-6, 48). D) Infinite solutions. Show Answer Correct Answer: A) (-8, 48). 13. Solve by Substitution:y =-6-3x-6y = 24 A) (6, -6). B) (6, 6). C) (4, -6). D) (-6, 4). Show Answer Correct Answer: C) (4, -6). 14. 4x-5y = 21x-3y = 7 A) (-4, -1). B) (1, -3). C) (-3, 2). D) (4, -1). Show Answer Correct Answer: D) (4, -1). 15. F(x) is the same thing as ..... A) X. B) An equation. C) Input. D) Y. Show Answer Correct Answer: D) Y. 16. Toluene is heated with nitrating mixture at high temperature. The product is A) 2, 4-dinitro toluene. B) 0-nitro toluene. C) Nitro toluene. D) 2, 4, 6-trinitro toluene. Show Answer Correct Answer: D) 2, 4, 6-trinitro toluene. 17. Solve the system of equations. $y=-5x$ $x+3y=28$ A) $\left(-2, 10\right)$. B) $\left(30, -6\right)$. C) $\left(10, -2\right)$. D) $\left(-6, 30\right)$. Show Answer Correct Answer: A) $\left(-2, 10\right)$. 18. Solve for x and y.y = 2/3x-2y =-x + 3 A) (0, -3). B) (-3, 0). C) (0, 3). D) (3, 0). Show Answer Correct Answer: D) (3, 0). 19. 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. 20. What is the first step to solving this system by substitution? y= 4x + 3 2x-3y = 21 A) 2(4x + 3)-3y = 21. B) 2x-3 = 4x + 3. C) 2x-3y = 4x + 3. D) 2x-3(4x + 3) = 21. Show Answer Correct Answer: D) 2x-3(4x + 3) = 21. 21. 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. 22. Solve the system by substitution. 5x + 4y=-14 y =-7x-15 A) (1, -2). B) (-2, -1). C) (-1, -2). D) (-2, 1). Show Answer Correct Answer: B) (-2, -1). 23. 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. 24. 6a-3dwhen a = 1, d = 2 A) 0. B) 3. C) 12. D) 1. Show Answer Correct Answer: A) 0. 25. 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. 26. What does the word 'do' substitute in the sentence 'They enjoy hiking, and so do we'? A) We. B) Hiking. C) Enjoy hiking. D) They. Show Answer Correct Answer: C) Enjoy hiking. 27. What is the collective noun for a group of dolphins? A) Pod. B) Prickle. C) Pride. D) Cackle. Show Answer Correct Answer: A) Pod. 28. 7x-5y =-5y =-4x + 1 A) (0, 1). B) (0, 3). C) (0, -4). D) (1, 0). Show Answer Correct Answer: A) (0, 1). 29. Which ordered pair is a solution to the system:$x=2y+5$ $2x-3y=7$ A) (1, -3). B) (-1, 3). C) (3, 1). D) (-1, -3). Show Answer Correct Answer: D) (-1, -3). 30. Solve the following system of equations:y = 6x-11-2x-3y =-7 A) (1, 2). B) (3, 2). C) (2, 1). D) (2, 5). Show Answer Correct Answer: C) (2, 1). ← PreviousNext →Related QuizzesGrammar QuizzesEnglish Grammar QuizzesSubstitution Quiz 1Substitution Quiz 3Substitution Quiz 4Substitution Quiz 5Substitution Quiz 6Substitution Quiz 7Substitution Quiz 8Substitution Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books