This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Discourse > Substitution – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 7 (60 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) (-1, 5). B) $^{(5/7, -1)}$. C) (5, -1). D) (5, -5). Show Answer Correct Answer: C) (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: B) (3, 2). 7. Solve the system of equations:$y=4x+6$ $-5x-y=21$ A) $\left(3, 6\right)$. B) $\left(-3, -6\right)$. C) No Solution. D) $\left(-6, -3\right)$. Show Answer Correct Answer: B) $\left(-3, -6\right)$. 8. 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. 9. Y = 2x-6y =-5x + 15 A) (3, -1). B) (3, 0). C) (3, 11). D) (3, 2). Show Answer Correct Answer: B) (3, 0). 10. If $k=5$ $\frac{k+3}{4}$ A) $4$. B) $8$. C) $2$. D) $\frac{53}{4}$. Show Answer Correct Answer: C) $2$. 11. The solution (x, y) to a system of equations is the point where they ..... ? A) Exist. B) Intersect. C) Don't touch. D) Run off the graph. Show Answer Correct Answer: B) Intersect. 12. Which of the following could successfully undergo a Friedel-Crafts alkylation? Assume an appropriate catalyst. A) 2-chloropropane reacting with benzaldehyde. B) 2-chloroethene reacting with benzene. C) 2-chlorobutane reacting with benzene. D) Chlorobenzene reacting with benzene. Show Answer Correct Answer: C) 2-chlorobutane reacting with benzene. 13. What is the solution 2x +5y =19y = 3x-3 A) 3, 2. B) 2, 3. C) 4, 2. D) 2, 2. Show Answer Correct Answer: B) 2, 3. 14. 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) (11, 10). C) (9, 12). D) (12, 9). Show Answer Correct Answer: A) (10, 11). 15. Solve the system of equations:$y=5x-2$ $-3x+6y=-12$ A) $\left(0, -2\right)$. B) No Solution. C) $\left(0, 2\right)$. D) $\left(-2, 0\right)$. Show Answer Correct Answer: A) $\left(0, -2\right)$. 16. When n= 8, 10 + 3n is, A) 24. B) 34. C) 38. D) 48. Show Answer Correct Answer: B) 34. 17. Solve 14-cd when c = 2 and d = 7 A) 16. B) 0. C) 28. D) 23. Show Answer Correct Answer: B) 0. 18. When n=2.2, $6n\div2$ A) 13, 2. B) 12, 2. C) 6.2. D) 6.6. Show Answer Correct Answer: D) 6.6. 19. In the sentence 'I have a pen. Do you have one?', what does 'one' substitute? A) A pencil. B) An eraser. C) A book. D) A pen. Show Answer Correct Answer: D) A pen. 20. Solve for x and y. $y=-5\-3x$ $6x+2y=10$ A) $\left(2, 3\right)$. B) $\left(6, -2\right)$. C) No Solution. D) Infinite Number of Solutions. Show Answer Correct Answer: C) No Solution. 21. Using Substitution, solve for the following system of linear equations:$y=7x+10$ $y-3=7x+7$ A) No solution. B) Infinitely many solutions. C) (3, -7). D) (5, 9). Show Answer Correct Answer: B) Infinitely many solutions. 22. 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 second equation. C) The x in the second equation. D) The y in the first equation. Show Answer Correct Answer: C) The x in the second equation. 23. Which is the solution to n-2=7 A) N=10. B) N=9. C) N=8. D) N=7. Show Answer Correct Answer: B) N=9. 24. Solve the system of equations:$y=-3x+5$ $5x-4y=-3$ A) $\left(2, -1\right)$. B) $\left(1, -2\right)$. C) $\left(1, 2\right)$. D) No Solution. Show Answer Correct Answer: C) $\left(1, 2\right)$. 25. One who hates women A) Womaniser. B) Misogynist. C) Misogamist. D) Philogynist. Show Answer Correct Answer: B) Misogynist. 26. If x=5, find the value of 7x-1 A) 34. B) 36. C) 35. D) None of the above. Show Answer Correct Answer: A) 34. 27. Solve this system of equations. y = 2x + 1y = 4x-1 A) (3, 1). B) (-1, 3). C) (1, 3). D) (-1, -3). Show Answer Correct Answer: C) (1, 3). 28. Simplify:13-4xwhen x = (-8) A) -19. B) The answer is not here. C) -45. D) 45. Show Answer Correct Answer: D) 45. 29. A dieases which spreads quickly A) Rare. B) Dangerous. C) Epidemic. D) None of the above. Show Answer Correct Answer: C) Epidemic. 30. Things which cannot be read A) Corrigible. B) Legible. C) Negligible. D) Illegible. Show Answer Correct Answer: D) Illegible. 31. Y = 3x-12x + 2y = 22 A) (4, 11). B) (5, 14). C) (3, 8). D) (2, 5). Show Answer Correct Answer: C) (3, 8). 32. Work out the value of the following expressions when a = 3, b = 4 and c = 5.3ab A) 12. B) 15. C) 36. D) 10. Show Answer Correct Answer: C) 36. 33. If a system of equations has one and only one solution, what does the graph look like? A) Intersecting lines. B) Parallel lines. C) One horizontal and one vertical line. D) Coinciding lines (overlapping). Show Answer Correct Answer: A) Intersecting lines. 34. Swallows move from one region to another. They are ..... birds. A) Sobbing. B) Migratory. C) All the above. D) None of the above. Show Answer Correct Answer: B) Migratory. 35. Solve the system using substitution:y =-1x-54x-8y = 4 A) (-3, -2). B) (5, -7). C) (3, 9). D) (-5, 4). Show Answer Correct Answer: A) (-3, -2). 36. Which one shows the correct substitution for the system?y = 2x + 12x-3y = 7 A) 2x-2x + 1 = 7. B) 2x-3(2x + 1) = 7. C) Y + 2x-3y = 8. D) 2(2x + 1)-3y = 7. Show Answer Correct Answer: B) 2x-3(2x + 1) = 7. 37. Something that easily catches fire A) Inflammable. B) Infallible. C) Inflamable. D) Insoluble. Show Answer Correct Answer: A) Inflammable. 38. Speech made without any preparation A) Oration. B) Elocution. C) Impromptu. D) Debate. Show Answer Correct Answer: C) Impromptu. 39. The act of using a holy thing or place in an evil way. A) Unholiness. B) Impurity. C) Sacrosanct. D) Sacrilege. Show Answer Correct Answer: D) Sacrilege. 40. Work out the value of the following expressions when a = 3, b = 4 and c = 5.a + b A) 9. B) 6. C) 7. D) 8. Show Answer Correct Answer: C) 7. 41. What is the definition of function? A) Has inputs and outputs. B) Every input has only ONE output. C) Inputs have different outputs every time. D) X-values and y-values. Show Answer Correct Answer: B) Every input has only ONE output. 42. Solve:y=8x+1y=6x+3 A) (2, 4). B) (4, 14). C) (1, 9). D) (0, 1). Show Answer Correct Answer: C) (1, 9). 43. Which of the following compounds will undergo bromination most rapidly using Br$_{2}$, FeBr$_{3}$? A) Bromobenzene. B) P-methylacetanilide. C) Acetanilide. D) Dibromobenzene. Show Answer Correct Answer: B) P-methylacetanilide. 44. Is (2, 3) a solution to y=2x+1 A) Yes, because 3=2(2)+1 is true. B) Yes, because 2=2(3)+1 is true. C) No, because when the x=2 the y should be 4. D) No, because when the x=2 the y should be 5. Show Answer Correct Answer: D) No, because when the x=2 the y should be 5. 45. Solve with substitutionx =-3y-8x-2y =-3 A) (-5, 1). B) (-5, -1). C) (1, -5). D) (5, -1). Show Answer Correct Answer: B) (-5, -1). 46. Solve the system by Substitution. y=2xx + y = 9 A) (6, 3). B) (-3, -6). C) (3, 6). D) No solution. Show Answer Correct Answer: C) (3, 6). 47. The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean? A) After 5 week the plant is 4 inches tall. B) The plant grows at a rate of 5/4 inch per week. C) After 4 weeks the plant is 5 inches tall. D) The plant grows at a rate of 1 inch per week. Show Answer Correct Answer: C) After 4 weeks the plant is 5 inches tall. 48. Solve by Substitution:x = 1 and x + y = 6 A) (1, 6). B) (1, 5). C) (1, 1). D) None of the above. Show Answer Correct Answer: B) (1, 5). 49. What is the value of-3y-9 if y =-8? A) -14. B) -15. C) 15. D) 14. Show Answer Correct Answer: C) 15. 50. Which sentence demonstrates verbal substitution? A) I will do it, and so will he. B) I have a car, and I have a bike. C) I like apples, and I like oranges. D) I saw a movie, and I saw a play. Show Answer Correct Answer: A) I will do it, and so will he. 51. Solve the system using the substitution methody = 5x-5y =-4x + 22 A) (3, 10). B) (-3, 10). C) (-1, 2). D) (1, 2). Show Answer Correct Answer: A) (3, 10). 52. Which equation has x=9 as a solution A) 5x = 45. B) X + 7 = 26. C) 4 + x = 12. D) 2x = 20. Show Answer Correct Answer: A) 5x = 45. 53. Solve by elimination:-6x + 5y = 5 6 x-3 y = 9 A) (7, -5). B) (5, 7). C) (5, 5). D) (7, 5). Show Answer Correct Answer: B) (5, 7). 54. A body through light can pass A) Transparent. B) Court. C) Rare. D) Democracy. Show Answer Correct Answer: A) Transparent. 55. What is the solution?3x + 5y = 132x + y = 4 A) (1, 2). B) No solution. C) (2, 1). D) Infinite solutions. Show Answer Correct Answer: A) (1, 2). 56. Solve the system of equations:-8x-10y = 20 8x + 6y = 4 A) (6, 5). B) (-5, -6). C) (-6, -5). D) (5, -6). Show Answer Correct Answer: D) (5, -6). 57. ..... are the inputs used in the production process to create finished products. A) Raw materials. B) Money. C) Inventory. D) Building. Show Answer Correct Answer: A) Raw materials. 58. Solve each system of equations.y = 3x-11 2x + 3y = 0 A) (-2, 3). B) (2, -3). C) (-3, 2). D) (3, -2). Show Answer Correct Answer: D) (3, -2). 59. Given the equation 4x + 2y = 10 What is the slope-intercept form of this equation? A) Y =-2x + 5. B) Y = 4x + 10. C) Y = 2x + 5. D) Y =-2x-10. Show Answer Correct Answer: A) Y =-2x + 5. 60. Solve the following systems of equations using substitution:5x-2y = 3y = 2x A) (2, 1). B) (6, 3). C) (3, 6). D) (1, 2). Show Answer Correct Answer: C) (3, 6). ← PreviousNext →Related QuizzesGrammar QuizzesEnglish Grammar QuizzesSubstitution Quiz 1Substitution Quiz 2Substitution Quiz 3Substitution Quiz 4Substitution Quiz 5Substitution Quiz 6Substitution Quiz 8Substitution Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books