This quiz works best with JavaScript enabled. Home > 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. If x = 4, calculate 2x + 5 A) 9. B) 13. C) 13x. D) 8x + 5. Show Answer Correct Answer: B) 13. 2. All of these are types of written sources except ..... A) Newspapers. B) Personal letters. C) Books. D) Oral songs. Show Answer Correct Answer: D) Oral songs. 3. Solve the system of equations. $-4x-8y=40$ $y=-4$ A) $\left(-23, 4\right)$. B) $\left(-4, -3\right)$. C) $\left(-2, -4\right)$. D) $\left(-2, 4\right)$. Show Answer Correct Answer: C) $\left(-2, -4\right)$. 4. My favourite museums are two museums of gold: ..... in Bogota and Lima. A) That. B) Those. C) Them. D) They. Show Answer Correct Answer: B) Those. 5. Solve by Substitution:y = 2 and-4x + 7y = 2 A) (3, 2). B) (2, 3). C) (-4, 7). D) None of the above. Show Answer Correct Answer: A) (3, 2). 6. Solve the system by substitution.y = 4x + 32x-3y = 21 A) (-3, -9). B) (2, 11). C) (1, 7). D) (0, 1). Show Answer Correct Answer: A) (-3, -9). 7. $\left(x-y\right)^2$ A) 3. B) 1. C) 6. D) 0. Show Answer Correct Answer: B) 1. 8. Solve.-4x-3 = 7 A) X =-2.5. B) X =-40. C) X = 0.4. D) X =-1. Show Answer Correct Answer: A) X =-2.5. 9. If x = 5, y = 3 & z = 2, what is x + 2y + 3z A) 15. B) 16. C) 17. D) 18. Show Answer Correct Answer: C) 17. 10. Find the y-value using substitution.x + 2y = 2x =-4y + 2 A) Y =-3. B) Y = 2. C) Y =-2. D) Y = 0. Show Answer Correct Answer: D) Y = 0. 11. Write the new equation to solve after using the substitution process correctly for the system.y = x-12x-3y=-1 A) 2(x-1)-3y=-1. B) 2x-3(x-1) =-1. C) 2x-3y = 12(x-1). D) None of the above. Show Answer Correct Answer: B) 2x-3(x-1) =-1. 12. Solve each equation using the substitution method:17 = e + 9 A) None of those. B) 8. C) 7. D) 26. Show Answer Correct Answer: B) 8. 13. Solve using substitution. x =-3y-8x-2y =-3 A) (5, -1). B) (-5, 1). C) (-5, -1). D) (1, -5). Show Answer Correct Answer: C) (-5, -1). 14. Which system would be best for you to use to solve this linear equation?y=6x-11-2x-3y=-7 A) Elimination. B) Substitution. C) All the above. D) None of the above. Show Answer Correct Answer: B) Substitution. 15. Which of the following sentences uses substitution for a verb? A) I can swim, and so can she. B) I have a book, and I have a pen. C) I like apples, and I like bananas. D) I saw a movie, and I saw a play. Show Answer Correct Answer: A) I can swim, and so can she. 16. That which cannot be understood A) Unknown. B) Undecipherable. C) Illegible. D) Unintelligible. Show Answer Correct Answer: D) Unintelligible. 17. Y = 8-xx = 3yy =? A) 2. B) 3. C) All the above. D) None of the above. Show Answer Correct Answer: A) 2. 18. That which makes it difficult to recognize the real nature of somebody or something A) Pretense. B) Camouflage. C) Cover. D) Mask. Show Answer Correct Answer: B) Camouflage. 19. Solve by elimination:8x-6y=-20-16x+7y=30 A) (2, -1). B) (-1, 2). C) (1, 4). D) (1, -4). Show Answer Correct Answer: B) (-1, 2). 20. Y =-x-10y = 4x A) 2, 8. B) -1, -8. C) -2, -8. D) 0, 8. Show Answer Correct Answer: C) -2, -8. 21. Using Substitution, solve for the following system of linear equations:$-3x+3y=4$ $y=x+3$ A) (1, -1). B) Infinitely many solutions. C) (3, 4). D) No solution. Show Answer Correct Answer: D) No solution. 22. Material substitution doesn't need A) Reviewed regularly through a materials audit process. B) Characteristics of the new material should be well understood. C) Risk, cost of conversion and equipment needed, as well as the environmental impact, need to be carefully evaluated. D) Marketing. Show Answer Correct Answer: D) Marketing. 23. Y = 5x-4y = x A) 0, 1. B) 1, 1. C) -1, 2. D) 2, 3. Show Answer Correct Answer: B) 1, 1. 24. A system of equations is shown below. What is the x-value in the solution to the system of equations?y = 3x-1y = 5x-7 A) 1. B) -2. C) 3. D) None of the above. Show Answer Correct Answer: C) 3. 25. What is electrophilic substitution? A) A substitution reaction in which an electrophile is substituted for the electrons in the benzene ring. B) A substitution reaction in which the benzene ring is attacked by a lone pair of electrons from an electrophile. C) A substitution reaction in which an electrophile is attacked by the electrons in the benzene ring. D) None of the above. Show Answer Correct Answer: C) A substitution reaction in which an electrophile is attacked by the electrons in the benzene ring. 26. Which of the following is NOT used as a substitution? A) That. B) Ones. C) The. D) Do. E) So. Show Answer Correct Answer: C) The. 27. Solve each system by elimination or substitution.y=5x-7-3x-2y=-12 A) None. B) (2, 3). C) Infinite number. D) (3, 2). Show Answer Correct Answer: B) (2, 3). 28. To use the plug it in method how many variables do I need isolated? A) None of them. B) 1 of them. C) All 4 of them, both X's and both Y's. D) None of the above. Show Answer Correct Answer: B) 1 of them. 29. Functioning by means of air A) Aerobic. B) Inflationary. C) Vulcanizing. D) Pneumatic. Show Answer Correct Answer: D) Pneumatic. 30. Solve the system of equations:$y=-2$ $4x-3y=18$ A) $\left(3, -2\right)$. B) No Solution. C) $\left(-2, 3\right)$. D) $\left(3, 2\right)$. Show Answer Correct Answer: A) $\left(3, -2\right)$. ← PreviousNext →Related QuizzesGrammar QuizzesSubstitution Quiz 1Substitution Quiz 2Substitution Quiz 3Substitution Quiz 4Substitution Quiz 5Substitution Quiz 6Substitution Quiz 7Substitution Quiz 8Substitution Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books