This quiz works best with JavaScript enabled. Home > Grammar > Discourse > Substitution – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 8 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When solving a system algebraically, what would the graph look like for a system if the solution was 3 =-11? A) Parallel Lines/No solution. B) Parallel Lines/Infinite Solutions. C) Same Line/No solution. D) Same Line/Infinitie Solutions. Show Answer Correct Answer: A) Parallel Lines/No solution. 2. Take 10 away from s A) 10-s. B) S + 10. C) S-10. D) S/10. Show Answer Correct Answer: C) S-10. 3. Which is the best method to use?y = 6x-11-2x-3y =-7 A) Graphing. B) Substitution because a variable is isolated. C) Elimination because both equations are in standard form. D) None of the above. Show Answer Correct Answer: B) Substitution because a variable is isolated. 4. If y = 7, find the value of 2(y+4). A) 11. B) 22. C) 20. D) 12. Show Answer Correct Answer: B) 22. 5. In the sentence 'I have never seen such a beautiful place, nor have I seen such friendly people, ' what does 'nor' substitute? A) I have never seen. B) Such a beautiful place. C) Such friendly people. D) Seen. Show Answer Correct Answer: A) I have never seen. 6. What point is a solution to the system of equations below?3x + 2y = 167x + y = 19 A) (-2, 5). B) (-2, -5). C) (2, -5). D) (2, 5). Show Answer Correct Answer: D) (2, 5). 7. What is a variable in Algebra? A) Something that changes. B) An unknown value. C) An equation. D) A numeric expression. Show Answer Correct Answer: B) An unknown value. 8. When 12 + 8 = n + 16, find the value of n. A) N=4. B) N=20. C) N=36. D) N=24. Show Answer Correct Answer: A) N=4. 9. Another word for 'integral' is ..... A) Constant. B) Derivative. C) Antiderivative. D) Theorem. Show Answer Correct Answer: C) Antiderivative. 10. What is the y-value of the solution to the following systems of linear equations? y = x + 2x + 2y = 5 A) 3. B) 2. C) 5. D) None of the above. Show Answer Correct Answer: A) 3. 11. What is the mechanism for the reaction between chloromethane and sodium hydroxide solution heated under reflux? A) Free radical substitution. B) Electrophilic addition. C) Nucleophilic addition. D) Nucleophilic substitution. Show Answer Correct Answer: D) Nucleophilic substitution. 12. The solution to a system of equations is any ordered pair that makes both equations true. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 13. Y =-5x + 163x + 5y =-8 A) (-1, -1). B) (1, 4). C) (-1, -2). D) (-1, 2). Show Answer Correct Answer: D) (-1, 2). 14. Solve the system:$y=6x-11$ $-2x-3y=-7$ A) $\left(2, 1\right)$. B) No Solution. C) $\left(1, 2\right)$. D) $\left(2, -1\right)$. Show Answer Correct Answer: A) $\left(2, 1\right)$. 15. $\int\left(\sqrt{x}^{ }+4e^{4x}+5\right)dx$ A) $x^{\frac{3}{2}}+e^{4x}+5x+c$. B) $\frac{2}{3}x^{\frac{3}{2}}+e^{4x}+5x+c$. C) $\sqrt{x}+e^{4x}+5x+c$. D) $\frac{2}{3}x^{\frac{3}{2}}+4e^{4x}+5x+c$. Show Answer Correct Answer: B) $\frac{2}{3}x^{\frac{3}{2}}+e^{4x}+5x+c$. 16. Simplify:6x + 2mwhen x = 14 and m = (-9) A) 66. B) -66. C) 102. D) 13. Show Answer Correct Answer: A) 66. 17. Let a = 10 and b =-4, calculate 2a + 4b A) 36. B) 4. C) -4. D) 28. Show Answer Correct Answer: B) 4. 18. What is the purpose of substitution in writing? A) To make sentences longer. B) To avoid repetition. C) To confuse the reader. D) To change the meaning. Show Answer Correct Answer: B) To avoid repetition. 19. Work out the value of 2a when a = 3 A) 5. B) 6. C) 8. D) 10. Show Answer Correct Answer: B) 6. 20. What is a nitronium ion? A) A negative ion formed by a nitrating mixture of concentrated nitric and sulfuric acids, which acts as an electrophile. B) A positive ion formed by a nitrating mixture of dilute nitric and sulfuric acids, which acts as an electrophile. C) A positive ion formed by a nitrating mixture of concentrated nitric and sulfuric acids, which acts as an electrophile. D) None of the above. Show Answer Correct Answer: C) A positive ion formed by a nitrating mixture of concentrated nitric and sulfuric acids, which acts as an electrophile. 21. Today's not a good day. I am feeling under the weather. A) Upset. B) Sick. C) Excited. D) Terrible. Show Answer Correct Answer: B) Sick. 22. Which word can substitute the phrase 'is not' in the sentence 'He is not coming'? A) Isn't. B) Aren't. C) Wasn't. D) Weren't. Show Answer Correct Answer: A) Isn't. 23. Which system would be best for you to use to solve this linear equation?4x-5y=14-6x+6y=-6 A) Elimination. B) Substitution. C) All the above. D) None of the above. Show Answer Correct Answer: A) Elimination. 24. What is the first step to solving this system by substitution? y = 4x-10 y = 3x-5 A) Y = 4(3y-5)-10. B) Y = 3(4x-10)-5. C) 4x-10 = 3x-5. D) Y = y. Show Answer Correct Answer: C) 4x-10 = 3x-5. 25. What does it mean to substitute? A) To add different variables together and see what you get. B) To graph and find the intersection. C) Guess and check. D) To replace the value of a variable with an equivalent expression. Show Answer Correct Answer: D) To replace the value of a variable with an equivalent expression. 26. What is the solution of the systems of equations shown below?y = 8x-2 y = 7x A) (-2, -14). B) (2, 14). C) (2, 18). D) None of the above. Show Answer Correct Answer: B) (2, 14). 27. 2x$^{2}$-10x = 4 A) -2. B) 38. C) 54. D) 22. Show Answer Correct Answer: D) 22. 28. Medical study of the skin and its diseases A) Venereology. B) Homeopathy. C) Dermatology. D) Orthopedics. Show Answer Correct Answer: C) Dermatology. 29. Solve:x =-3y-172x + 3y =-7 A) (1, -20). B) (3, 0). C) (-5, -2). D) (10, -9). Show Answer Correct Answer: D) (10, -9). 30. When was the fall of the Roman Empire? A) 476 AD. B) 476 BC. C) 800 AD. D) 800 BC. Show Answer Correct Answer: A) 476 AD. ← PreviousNext →Related QuizzesGrammar QuizzesSubstitution Quiz 1Substitution Quiz 2Substitution Quiz 3Substitution Quiz 4Substitution Quiz 5Substitution Quiz 6Substitution Quiz 7Substitution Quiz 9Substitution Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books