This quiz works best with JavaScript enabled. Home > Grammar > Discourse > Substitution – Quiz 27 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 27 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In the Paleolithic Age, people ..... A) Were hunters and gatherers. B) Were nomads. C) Lived in caves. D) All of the above. Show Answer Correct Answer: D) All of the above. 2. Solve the system of linear equations using substitution. $y=5x-6$ $y=4x-2$ A) (14, 4). B) (4, 14). C) (4, 0). D) (0, 4). Show Answer Correct Answer: B) (4, 14). 3. The edges of the roofs which come out beyond the walls is called as A) Roofedges. B) Borders. C) Eaves. D) Cornders. Show Answer Correct Answer: C) Eaves. 4. $f\left(x\right)=x^3+7x^2+5x-6$ A) -1. B) 0. C) 5. D) 4. Show Answer Correct Answer: D) 4. 5. Evaluate 5s-t when s=3 and t=-1. A) 54. B) 14. C) 16. D) 52. Show Answer Correct Answer: C) 16. 6. Y = xx = 17y =? A) 17. B) 18. C) 19. D) 20. Show Answer Correct Answer: A) 17. 7. What is the solution to the system of equations:x = 2y + 3 and 4x-8y=12? A) Infinite Solutions. B) No Solution. C) (-1, 1). D) (0, 2). Show Answer Correct Answer: A) Infinite Solutions. 8. What is the correct first step in solving this system by substitution?x = 2y +11-7x-2y =-13 A) -7(2y+11)-2y =-13. B) -7x-2(2y +11) =-13. C) 2y+11-2y =-13. D) None of the above. Show Answer Correct Answer: A) -7(2y+11)-2y =-13. 9. Y = x + 24y =-7x A) -3, 21. B) 3, 21. C) 2, 21. D) -2, 0. Show Answer Correct Answer: A) -3, 21. 10. Aromatic compounds usually undergo which type of reaction A) Electrophilic substitution reaction. B) Electrophilic addition reaction. C) Nucleophilic substitution reaction. D) Nucleophilic addition reaction. Show Answer Correct Answer: A) Electrophilic substitution reaction. 11. Solve the system of equations using substitution:y = 2x + 52x + 2y = 4 A) (1, 7). B) (7, 1). C) (2, 9). D) (-1, 3). Show Answer Correct Answer: D) (-1, 3). 12. Find x and y using the elimination method2x+3y=72x+7y=11 A) X=-2, y=-1. B) X=2, y=-1. C) X=2, y=1. D) X=-2, y=1. Show Answer Correct Answer: C) X=2, y=1. 13. X/9=28 A) 9 times a number is 28. B) A number multiplied by 9 equals 28. C) A number removed from 9 is 28. D) A number divided by 9 equals 28. Show Answer Correct Answer: D) A number divided by 9 equals 28. 14. $\int\cot x.\log\sin xdx=$ A) $\left(\log\cot x\right)^2+c$. B) $\left(\log\sin x\right)^2$. C) $\left(\log\cos x\right)^2$. D) None of these. Show Answer Correct Answer: D) None of these. 15. Solve the system by substitution. y = 2x-11 2x-8y = 4 A) (6, 1). B) (6, -4). C) (6, -1). D) Infinite number of solutions. Show Answer Correct Answer: A) (6, 1). 16. **BONUS**Solve the system of equations. y =-2x + 3 y = 3x-2 A) (1, 1). B) (-1, 5). C) (-1, -5). D) None of the above. Show Answer Correct Answer: A) (1, 1). 17. A Government by the Nobles A) Democracy. B) Bureaucracy. C) Aristocracy. D) Autocracy. Show Answer Correct Answer: C) Aristocracy. 18. What is the mechanism of the reaction when sodium hydroxide in ethanolic condition reacts with cloroethane under reflux? A) Nucleophilic substitution. B) Electrophilic addition. C) Free radical substitution. D) Elimination. Show Answer Correct Answer: D) Elimination. 19. What is the name of the wise baboon from 'The Lion King'? A) Raffiki. B) Simba. C) Timon. D) Pumbaa. Show Answer Correct Answer: A) Raffiki. 20. Simplify $-\frac{-6}{z}-7s$ A) 47. B) 51. C) -51. D) -47. Show Answer Correct Answer: A) 47. 21. Solve:y =-1x-54x-8y = 4 A) (-3, -2). B) (5, -7). C) (3, 9). D) (-5, 4). Show Answer Correct Answer: A) (-3, -2). 22. What is the solution to the following system?$^{x = 4y}$$^{x-4y = 0}$ A) (0, 0). B) No solutions. C) Infinite solutions. D) (4, 0). Show Answer Correct Answer: C) Infinite solutions. 23. What does C represent in an antiderivative? A) A variable. B) A constant. C) None of these. D) Unknown. Show Answer Correct Answer: B) A constant. 24. Simplify.x = 7 + (7-2x) A) X = 7 + 7-2x. B) X = 49-14x. C) X = 14-2x. D) X =-2x. Show Answer Correct Answer: C) X = 14-2x. 25. Is the point (-3, -7) a solution to the system of equations below?y = 4x + 5y = x-4 A) YES. B) NO. C) All the above. D) None of the above. Show Answer Correct Answer: A) YES. 26. $\int\left(\pi+3\sqrt{x}^{ }\right)dx$ A) $\pi x+2\sqrt{x^3}+c$. B) $\frac{\pi^2}{2}+2\sqrt{x^3}+c$. C) $\pi x+\frac{3}{2}\sqrt{x}+c$. D) $\pi+\frac{2}{3}\sqrt{x}+c$. Show Answer Correct Answer: A) $\pi x+2\sqrt{x^3}+c$. 27. The hostage was set free after the ransom was paid. The kidnapper ..... him. A) Released. B) Discovered. C) All the above. D) None of the above. Show Answer Correct Answer: A) Released. 28. 6x + y =-1y =-3x-4 A) (3, 1). B) (1, 7). C) (-3, 1). D) (1, -7). Show Answer Correct Answer: D) (1, -7). 29. In the sentence 'I love chocolate, and so does she, ' what does 'does' substitute? A) I. B) Love chocolate. C) Chocolate. D) She. Show Answer Correct Answer: B) Love chocolate. 30. What kind of solution is (4, 3)? A) No Solution. B) One Solution. C) Infinite Solutions. D) None of the above. Show Answer Correct Answer: B) One Solution. ← 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