This quiz works best with JavaScript enabled. Home > Grammar > Discourse > Substitution – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 13 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Let c =-5 and d =-2, calculate 3( 2c-d) A) -24. B) -36. C) 36. D) 24. Show Answer Correct Answer: A) -24. 2. What does a "solution to a system of equations" mean? A) It's the point where both equations equal zero. B) It's the point where graphs of both equations cross the y-axis. C) It's the point that is true for both equations at the same time. D) It's the point where graphs of both equations cross the x-axis. Show Answer Correct Answer: C) It's the point that is true for both equations at the same time. 3. A disease which attacks many people in a particular area in one time A) Epidemic. B) Epidermis. C) Academic. D) Sardonic. Show Answer Correct Answer: A) Epidemic. 4. Solve the system of equations using substitution:4x-2y = 6y = 3x-3 A) (3, 6). B) (0, 1). C) (0, -3). D) (2, 3). E) No solution. Show Answer Correct Answer: C) (0, -3). 5. Which of the following is not the condition for the reaction between ammonia and chloromethane for nucleophilic substitution? A) Aqueous ammonia. B) Ethanolic ammonia. C) Excess ammonia. D) Heated under reflux. Show Answer Correct Answer: A) Aqueous ammonia. 6. Alison solves a system. She finds that $y=9$ $x=-2$ A) $9, -2$. B) $-2, 9$. C) $\left(-2, 9\right)$. D) $\left(9, -2\right)$. Show Answer Correct Answer: C) $\left(-2, 9\right)$. 7. 2 or more linear equations with the same set of variables A) System. B) System of Equations. C) Linear Equations. D) Quadratic Equations. Show Answer Correct Answer: B) System of Equations. 8. Solve each equation using the substitution method:8t = 56 A) None of those. B) 8. C) 6. D) 7. Show Answer Correct Answer: D) 7. 9. Six divided by the product of-7 and b. A) 6/(b-7). B) 6/(-7b). C) (-7b)/6. D) (b-7)/6. Show Answer Correct Answer: B) 6/(-7b). 10. Solve the system:x + 6y = 17x-3y = 8 A) (5, 2). B) (11, 1). C) (1, 11). D) No solution. Show Answer Correct Answer: B) (11, 1). 11. Solve the system of equations. $x=2y-4$ $3x-6y=-12$ A) $\left(-6, 1\right)$. B) $\left(-12, -12\right)$. C) No solution. D) Infinite solutions. Show Answer Correct Answer: D) Infinite solutions. 12. Solve the system using the substitution method.x + 3y = 92x + y =-2 A) (3, 2). B) (-2, 2). C) (3, -4). D) (-3, 4). E) (0.5, -3). Show Answer Correct Answer: D) (-3, 4). 13. In the sentence 'I will go if you do', what does 'do' substitute? A) Go. B) Will. C) I. D) You. Show Answer Correct Answer: A) Go. 14. If x = 5, find the value of 7x-1 A) 34. B) 36. C) 35. D) 33. Show Answer Correct Answer: A) 34. 15. Find the solution to these systemsy=4xy+5x=18 A) (0, 4). B) (0, 18). C) (9, 2). D) (2, 8). Show Answer Correct Answer: D) (2, 8). 16. TRUE or FALSE:If an equation is not set up to do what we need it to do, or looks different than we want it to look, WE CAN CHANGE ITas long as we follow rules of equality when we do. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 17. Evaluate 4y if y = 3 A) 7. B) 12. C) All the above. D) None of the above. Show Answer Correct Answer: B) 12. 18. What is the solution to the following system?$^{2x + 7y = 3}$$^{y =-1}$ A) (5, -1). B) (5, -5). C) $^{(5/7, -1)}$. D) (-1, 5). Show Answer Correct Answer: A) (5, -1). 19. What would be the first step in finding the solution using elimination?2x + 2y =-23x-2y = 12 A) You cannot solve this using elimination. B) Cross out the 2x and 3x. C) Add the like terms. The y terms will cancel out. D) Change to slope intercept form and graph. Show Answer Correct Answer: C) Add the like terms. The y terms will cancel out. 20. 3y-2x = 0y = 4x-1 A) (0.3, 0.2). B) (-0.3, -0.2). C) (-0.3, 0.2). D) (0.3, -0.2). Show Answer Correct Answer: A) (0.3, 0.2). 21. Solve the system of linear equations using substitution. $x+y=5$ $3x-y=7$ A) (3, 2). B) (3, -2). C) (-3, -2). D) (-3, 2). Show Answer Correct Answer: A) (3, 2). 22. Solve the system of equations:$y=4x+6$ $-5x-y=21$ A) $\left(-3, -6\right)$. B) No Solution. C) $\left(3, 6\right)$. D) $\left(-6, -3\right)$. Show Answer Correct Answer: A) $\left(-3, -6\right)$. 23. What does "solution to a system of equations" mean? A) It's the point where both equations equal zero. B) It's the point where graphs of both equations cross the y-axis. C) It's the point that solves both equations at the same time. D) It's the point where graphs of both equations cross the x-axis. Show Answer Correct Answer: C) It's the point that solves both equations at the same time. 24. If a question asks you to find f(2), what does that mean? A) Let x = 2. B) Let y = 2. C) All the above. D) None of the above. Show Answer Correct Answer: A) Let x = 2. 25. Y = 2x-6y =-5x + 15 A) (3, -1). B) (3, 2). C) (3, 0). D) (3, 11). Show Answer Correct Answer: C) (3, 0). 26. If $k=5$ $\frac{k+3}{4}$ A) $\frac{53}{4}$. B) $2$. C) $4$. D) $8$. Show Answer Correct Answer: B) $2$. 27. If y = 4, find the value of 3y+5. A) 27. B) 12. C) 17. D) 18. Show Answer Correct Answer: C) 17. 28. The solution (x, y) to a system of equations is the point where they ..... ? A) Run off the graph. B) Don't touch. C) Intersect. D) Exist. Show Answer Correct Answer: C) Intersect. 29. Which of the following could successfully undergo a Friedel-Crafts alkylation? Assume an appropriate catalyst. A) Chlorobenzene reacting with benzene. B) 2-chlorobutane reacting with benzene. C) 2-chloropropane reacting with benzaldehyde. D) 2-chloroethene reacting with benzene. Show Answer Correct Answer: B) 2-chlorobutane reacting with benzene. 30. What is the solution 2x +5y =19y = 3x-3 A) 2, 3. B) 3, 2. C) 4, 2. D) 2, 2. Show Answer Correct Answer: A) 2, 3. ← 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