This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Discourse > Substitution – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 21 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Simplify $5+3b-9d$ A) 37. B) -79. C) -89. D) 42. Show Answer Correct Answer: B) -79. 2. Not too expensive, so possible to buy A) Affordable. B) Excessive. C) Exorbitant. D) Plausible. Show Answer Correct Answer: A) Affordable. 3. O-cresol is nitrated. The major product is A) 2-methyl-4-nitrophenol. B) 2-methyl-3-nitrophenol. C) 2-methyl-5-nitrophenol. D) B and c. Show Answer Correct Answer: A) 2-methyl-4-nitrophenol. 4. $\left(a-b\right)^2$ A) 12. B) 93. C) 6. D) 36. Show Answer Correct Answer: D) 36. 5. Things which are of the same kind and of the same dimensions. A) Heterogenous. B) Exogenous. C) Endogenous. D) Homogenous. Show Answer Correct Answer: D) Homogenous. 6. Evaluate-2x if x = 10 A) -8. B) 20. C) -20. D) None of the above. Show Answer Correct Answer: C) -20. 7. What is the solution to the system of equations:y =-2x + 2 and y = 7x +11? A) No Solution. B) (1, -4). C) (-1, 4). D) Infinite Solutions. Show Answer Correct Answer: C) (-1, 4). 8. One which cannot be seen A) Invisible. B) Opaque. C) Vulnerable. D) Universal. Show Answer Correct Answer: A) Invisible. 9. Solve the following systems of equations using substitution:y = 3-x3y + x = 5 A) (1, 2). B) (2, 1). C) (3, 0). D) No solution. Show Answer Correct Answer: B) (2, 1). 10. 3x + 2y = 8-x + y =-11 A) (6, -5). B) (-6, -5). C) (-5, 6). D) (6, -11). Show Answer Correct Answer: A) (6, -5). 11. This museum shows life in an important period of history: ..... of ancient Greece. A) Those. B) That. C) Then. D) Them. Show Answer Correct Answer: B) That. 12. There are a total of 52 students on the soccer team and the field hockey team. The field hockey team has 12 more students than the soccer team. Write a system of linear equations that fits this situation. A) $x+y=52$ $y=x+12$. B) $x+y=52$ $x=y+12$. C) $x+12=52$ $x+y=52$. D) None of the above. Show Answer Correct Answer: A) $x+y=52$ $y=x+12$. 13. A primary halide will likely react with a ..... mechanism A) S$_{N}$1 or E2 or E1$_{ }$depending on the base or nucleophile characterisitcs. B) S$_{N}$2$_{ }$most frequently. C) S$_{N}$1 or S$_{N}$2. D) S$_{N}$1$_{ }$or E2$_{ }$depending on the solvent characteristics. Show Answer Correct Answer: B) S$_{N}$2$_{ }$most frequently. 14. Solve for f(10):f(10) =-x-5 A) 15. B) 50. C) -15. D) -5. Show Answer Correct Answer: C) -15. 15. ..... is a systematic approach to using and reusing materials more productively over their entire life cycles. A) Master planning. B) Evolutionary proces. C) Fact-based arguments. D) Sustainable materials management. Show Answer Correct Answer: D) Sustainable materials management. 16. Solve:y = 4x-10y = 3x-5 A) (7, -15). B) (1, 2). C) (5, 10). D) (1, -5). Show Answer Correct Answer: C) (5, 10). 17. Solve the system of linear equations by substitution. $y=-x$ $y=3x-4$ A) $\left(-1, 1\right)$. B) $\left(1, -1\right)$. C) $\left(1, 0\right)$. D) $\left(0, 1\right)$. Show Answer Correct Answer: B) $\left(1, -1\right)$. 18. Solve by Substitution:x =-3y-172x + 3y =-7 A) (1, -20). B) (10, -9). C) (-5, -2). D) (3, 0). Show Answer Correct Answer: B) (10, -9). 19. Which sentence uses substitution to maintain coherence? A) I have a car, and I have a bike. B) I have a car, and I have one too. C) I have a car, and I have a car too. D) I have a car, and I have a bus. Show Answer Correct Answer: B) I have a car, and I have one too. 20. Integrate $\int\frac{2x}{\sqrt{3+x^2}}dx$ A) $\frac{1}{2\left(3+x^2\right)^{\frac{1}{2}}}+c$. B) $2\left(3+x^2\right)^{\frac{1}{2}}+c$. C) $\left(3+2x\right)^{\frac{1}{2}}+c$. D) $2\left(3+x^2\right)^{-\frac{1}{2}}+c$. Show Answer Correct Answer: B) $2\left(3+x^2\right)^{\frac{1}{2}}+c$. 21. Solve for x and y5x + 3y = 7y = 4 A) (-1, 4). B) (1, 4). C) (4, -1). D) (4, 1). Show Answer Correct Answer: A) (-1, 4). 22. The boy tried to get back his kite which was stuck to a branch. He used a stick to ..... it. A) Retrieve. B) Immortal. C) All the above. D) None of the above. Show Answer Correct Answer: A) Retrieve. 23. Which sentence uses substitution to avoid repetition? A) I have a cat, and I have a dog. B) I have a cat, and I have one too. C) I have a cat, and I have a cat too. D) I have a cat, and I have a fish. Show Answer Correct Answer: B) I have a cat, and I have one too. 24. What is being substituted in the sentence:'She can dance, and so can I'? A) She. B) Dance. C) I. D) Can. Show Answer Correct Answer: B) Dance. 25. Science which claims to turn base metals into gold A) Alchemy. B) Archaelogy. C) Criminology. D) Chemistry. Show Answer Correct Answer: A) Alchemy. 26. Solve the system using the substitution method.y = 3x-132x + 4y = 4 A) (-4, 1). B) (4, -1). C) (5, -2). D) (-4, -1). E) (5, 2). Show Answer Correct Answer: B) (4, -1). 27. The words that of / those of tend to be more ..... A) Formal. B) Informal. C) All the above. D) None of the above. Show Answer Correct Answer: A) Formal. 28. X = 2y = x-2What is the Solution? A) (0, 2). B) Many Solution. C) No Solution. D) (2, 0). Show Answer Correct Answer: D) (2, 0). 29. Evaluate 2r + 1 if r = 3 A) 7. B) 5. C) 6. D) 8. Show Answer Correct Answer: A) 7. 30. Solve for x and y using substitution y = 2x + 1 y = 4x-1 A) (3, 1). B) (1, 3). C) (-1, 3). D) (-1, -3). Show Answer Correct Answer: B) (1, 3). ← 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