This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Discourse > Substitution – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 10 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The words so and do / did replace a ..... A) Word. B) Phrase/sentence. C) All the above. D) None of the above. Show Answer Correct Answer: B) Phrase/sentence. 2. If a=2, b=3, c=4 and d=5, find a+b+c+d A) 14. B) 12. C) 15. D) None of the above. Show Answer Correct Answer: A) 14. 3. Solve each equation using the substitution method:p + 6 = 13 A) 7. B) -6. C) 19. D) -19. Show Answer Correct Answer: A) 7. 4. Solve by Substitution:y = 3x-3 and 2x + 4y = 30 A) (6, 15). B) (2, 4). C) (3, 6). D) None of the above. Show Answer Correct Answer: C) (3, 6). 5. Solve the system of linear equations using substitution. $3x-2y=12$ $4x+2y=16$ A) (0, -4). B) (4, 4). C) (0, 4). D) (4, 0). Show Answer Correct Answer: D) (4, 0). 6. $\int\\frac{dx}{x\ln x}$ A) $\ln\left(\ln x\right)+C$. B) $\frac{1}{x^2}+C$. C) $\frac{\ln x}{x^2}+C$. D) $\left(\ln x\right)^2+C$. Show Answer Correct Answer: A) $\ln\left(\ln x\right)+C$. 7. What is a solution of a linear system? A) The rise over run. B) The point where the graphs intersect. C) The y-intercept. D) The slope of the line. Show Answer Correct Answer: B) The point where the graphs intersect. 8. Which of the following statements regarding electrophilic aromatic substitution is wrong? A) Acetyl and cyano substituents are both deactivating and m-directing. B) Alkyl groups are activating and o, p-directing. C) Ammonium groups are m-directing but amino groups are and o, p-directing. D) Chloro and methoxy substituents are both deactivating and o, p-directing. Show Answer Correct Answer: D) Chloro and methoxy substituents are both deactivating and o, p-directing. 9. Work out the value of $\frac{4ab}{2c}$ A) 3. B) -4. C) -3. D) 4. Show Answer Correct Answer: A) 3. 10. What is an electrophile? A) A species that takes part in a reaction by donating a lone pair of electrons. B) A species that takes part in a reaction by accepting a lone pair of electrons. C) A species with a positive charge that takes part in a reaction. D) None of the above. Show Answer Correct Answer: B) A species that takes part in a reaction by accepting a lone pair of electrons. 11. Solve the system of equations by substitution. $2x+4y=18$ $y=-4x+8$ A) (1, -4). B) (1, 4). C) (-3, -4). D) (-1, -4). Show Answer Correct Answer: B) (1, 4). 12. Solve the system of equations by using substitution method.y = 4x+13x + 2y = 13 A) (5, 1). B) No Solution. C) (1, 5). D) (0.25, 2). E) Infinite Solutions. Show Answer Correct Answer: C) (1, 5). 13. Solve the system using substitutiony=8x+1y=6x+3 A) (2, 4). B) (4, 14). C) (0, 1). D) (1, 9). Show Answer Correct Answer: D) (1, 9). 14. The difference of h and 9 divided by 3. A) H-9/3. B) 9-h/3. C) (h-9)/3. D) (9-h)/3. Show Answer Correct Answer: C) (h-9)/3. 15. In what era was the wheel invented? A) Contemporary Era. B) Prehistory. C) Modern History. D) Middle Ages. Show Answer Correct Answer: B) Prehistory. 16. If x = 3, calculate x + 3 A) 3x. B) 3. C) 6x. D) 6. Show Answer Correct Answer: D) 6. 17. Simplify $-4\left(2d+3b\right)$ A) 144. B) 156. C) 0. D) -144. Show Answer Correct Answer: B) 156. 18. When $b=3$ $b^2$ A) 9. B) 3. C) 6. D) 12. Show Answer Correct Answer: A) 9. 19. Solve the following system of equation using substitution:$y=4x-10$ $y=3x-5$ A) $\left(5, 10\right)$. B) $\left(1, 2\right)$. C) $\left(7, 15\right)$. D) $\left(1, -5\right)$. Show Answer Correct Answer: A) $\left(5, 10\right)$. 20. What is the solution to the system of equations:y = 3x+19 and y = 5x +33? A) (2, -7). B) (-2, -7). C) (7, -2). D) (-7, -2). Show Answer Correct Answer: D) (-7, -2). 21. What is the value of x + 7p if x =-1 and p = 8? A) 54. B) 55. C) 56. D) 53. Show Answer Correct Answer: B) 55. 22. Y = 5x + 6x = 2y =? A) 14. B) 17. C) 15. D) 16. Show Answer Correct Answer: D) 16. 23. What is the solution to this system of equations?4x + y = 6x-2y = 6 A) (2, 4). B) (-2, 2). C) ( 1/2, 4 ). D) (2, -2). E) (1, 2). Show Answer Correct Answer: D) (2, -2). 24. What is the solution to the system of equations:y = 2x+1 and 2x-y = 3? A) (-1, -1). B) Infinite Solutions. C) No solution. D) (1, 3). Show Answer Correct Answer: C) No solution. 25. Which gives a meta nitro compound as the main product upon nitration with a nitric acid-sulfuric acid mixture? A) Ethyl Benzene. B) Anisole. C) Acetophenone. D) Chlorobenzene. Show Answer Correct Answer: C) Acetophenone. 26. What is substitution in English grammar? A) Changing the tense of a verb. B) Adding extra words to a sentence. C) Removing punctuation marks. D) Replacing a word or phrase with another. Show Answer Correct Answer: D) Replacing a word or phrase with another. 27. What is the operation of the following expression? x/5 A) Division. B) Subtraction. C) Addition. D) Multiplication. Show Answer Correct Answer: A) Division. 28. Given "a number y minus a number b squared" and y=5 and b=3, what is the value of the expression? A) -4. B) 1. C) 4. D) -1. Show Answer Correct Answer: A) -4. 29. Work out the value of the expression when x = 3, y =-2 and z =-4.2xz A) 24. B) -24. C) 9. D) 1. Show Answer Correct Answer: B) -24. 30. 3x + 2y = 167x + y = 19 A) (2, -5). B) (2, 5). C) (-2, 5). D) (-2, -5). Show Answer Correct Answer: B) (2, 5). ← 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