This quiz works best with JavaScript enabled. Home > Grammar > Discourse > Substitution – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 16 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. Evaluate 4y if y = 3 A) 7. B) 12. C) All the above. D) None of the above. Show Answer Correct Answer: B) 12. 3. 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). 4. 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. 5. 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). 6. 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). 7. 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) $\left(-3, -6\right)$. 8. 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. 9. 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. 10. Y = 2x-6y =-5x + 15 A) (3, -1). B) (3, 2). C) (3, 0). D) (3, 11). Show Answer Correct Answer: C) (3, 0). 11. If $k=5$ $\frac{k+3}{4}$ A) $\frac{53}{4}$. B) $2$. C) $4$. D) $8$. Show Answer Correct Answer: B) $2$. 12. If y = 4, find the value of 3y+5. A) 27. B) 12. C) 17. D) 18. Show Answer Correct Answer: C) 17. 13. 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. 14. 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. 15. 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. 16. Homer sells tickets for admission to your school play and collects a total of $ 104. Admission prices are $ 6 for adults and $ 4 for children. He sold 21 tickets total. Solve the system:x + y = 216x + 4y = 104 A) (10, 11). B) (12, 9). C) (11, 10). D) (9, 12). Show Answer Correct Answer: A) (10, 11). 17. Solve the system of equations:$y=5x-2$ $-3x+6y=-12$ A) $\left(0, -2\right)$. B) No Solution. C) $\left(-2, 0\right)$. D) $\left(0, 2\right)$. Show Answer Correct Answer: A) $\left(0, -2\right)$. 18. When n= 8, 10 + 3n is, A) 48. B) 34. C) 24. D) 38. Show Answer Correct Answer: B) 34. 19. Solve 14-cd when c = 2 and d = 7 A) 0. B) 28. C) 16. D) 23. Show Answer Correct Answer: A) 0. 20. When n=2.2, $6n\div2$ A) 13, 2. B) 6.2. C) 6.6. D) 12, 2. Show Answer Correct Answer: C) 6.6. 21. In the sentence 'I have a pen. Do you have one?', what does 'one' substitute? A) A pencil. B) A pen. C) An eraser. D) A book. Show Answer Correct Answer: B) A pen. 22. Solve for x and y. $y=-5\-3x$ $6x+2y=10$ A) No Solution. B) Infinite Number of Solutions. C) $\left(2, 3\right)$. D) $\left(6, -2\right)$. Show Answer Correct Answer: A) No Solution. 23. Using Substitution, solve for the following system of linear equations:$y=7x+10$ $y-3=7x+7$ A) Infinitely many solutions. B) (3, -7). C) (5, 9). D) No solution. Show Answer Correct Answer: A) Infinitely many solutions. 24. Which variable should you isolate first in the system?3x + 2y = 10x-5y = 18 A) The x in the first equation. B) The y in the first equation. C) The y in the second equation. D) The x in the second equation. Show Answer Correct Answer: D) The x in the second equation. 25. Which is the solution to n-2=7 A) N=7. B) N=8. C) N=9. D) N=10. Show Answer Correct Answer: C) N=9. ← 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