This quiz works best with JavaScript enabled. Home > Grammar > Discourse > Substitution – Quiz 28 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 28 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Y =-3x + 115x + y = 21 A) (1, -5). B) (1, 5). C) (-4, 5). D) (5, -4). Show Answer Correct Answer: D) (5, -4). 2. Solve the system of equations using substitution:-4x + 4y = 8y =-2x-10 A) (-4, -2). B) (12, -34). C) (4, -18). D) (-2, -6). Show Answer Correct Answer: A) (-4, -2). 3. Given "the product of x and y tripled" and x =-2 and y=3, what is the value? A) -18. B) 18. C) 12. D) -12. Show Answer Correct Answer: A) -18. 4. Solve the system of equations:$2x-3y=-1$ $y=x-1$ A) $\left(4, 3\right)$. B) No Solution. C) $\left(3, 4\right)$. D) $\left(3, -4\right)$. Show Answer Correct Answer: A) $\left(4, 3\right)$. 5. 2 + X = yIf X = 1, then Y = A) 10. B) 3. C) 6. D) None of the above. Show Answer Correct Answer: B) 3. 6. What is the solution to the system of equations:x = 3y and 2x + 4y = 10? A) (-2, -1). B) (-1, 0). C) (3, 1). D) (1, 2). Show Answer Correct Answer: C) (3, 1). 7. Solve for x:2x-3(x-1) =-1 A) X =-4. B) X = 2. C) X =-2. D) X = 4. Show Answer Correct Answer: D) X = 4. 8. Solve the system of equations. $x=-6y$ $2x+12y=0$ A) $\left(-6, 1\right)$. B) $\left(1, -6\right)$. C) No solution. D) Infinite solutions. Show Answer Correct Answer: D) Infinite solutions. 9. When was America discovered? A) 1325. B) 1425. C) 1492. D) 1530. Show Answer Correct Answer: C) 1492. 10. I'm not sure if he will buy the car, but I certainly ..... so. A) Think. B) Too. C) Hope. D) None of the above. Show Answer Correct Answer: C) Hope. 11. $\int_{ }\frac{2x+1}{x^2+x+1}dx$ A) $\ln\left|u\right|$. B) $\ln\left|u\right|+c$. C) $\ln\left|x^2+x+1\right|+c$. D) $\ln\left|x^2+x+1\right|$. Show Answer Correct Answer: C) $\ln\left|x^2+x+1\right|+c$. 12. What is the solution to the system?8x + 4y = 12y =-2x + 3 A) (0, 3). B) (3, 0). C) No solution(parallel lines). D) Infinitely many solutions. Show Answer Correct Answer: D) Infinitely many solutions. 13. What is the effect of using substitution in a text? A) It makes the text more concise. B) It makes the text longer. C) It makes the text confusing. D) It changes the text's meaning. Show Answer Correct Answer: A) It makes the text more concise. 14. Solve each equation:26 = g + 11 A) 15. B) 37. C) None of those. D) -15. Show Answer Correct Answer: A) 15. 15. What is the value of xy + 2z, when x =-2, y = 4 and z =-5 A) -2. B) 28. C) 18. D) -18. Show Answer Correct Answer: D) -18. 16. Books published long ago but still in use A) Extent. B) Extant. C) Extint. D) None of the above. Show Answer Correct Answer: B) Extant. 17. What is the solution to the system?x-2y = 23x + 4y = 3 A) (1.4, -0.3). B) (3.1, 5). C) (-2.5, 3.5). D) (6.9, 1.02). Show Answer Correct Answer: A) (1.4, -0.3). 18. What is the SECOND STEP in solving this system. x= 7-2y 2x + y = 5FIRST STEP:2(7-2y) + y = 5 A) 14-2y + y = 5. B) 14-4y + y = 5. C) 14 + 4y + y = 5. D) 14 + 2y + y = 5. Show Answer Correct Answer: B) 14-4y + y = 5. 19. What is a pi bond? A) A covalent bond formed by the sideways overlap of p-orbitals. B) A covalent bond formed by the end-to-end overlap of p-orbitals. C) A covalent bond formed by the overlap of s-orbitals. D) None of the above. Show Answer Correct Answer: A) A covalent bond formed by the sideways overlap of p-orbitals. 20. You traveled 52 miles. Then, your avg rate is 12 mph. What algebraic expression models the distance? A) 52+12/h. B) 12/h-52. C) 12h+52. D) 12-52. Show Answer Correct Answer: C) 12h+52. 21. What are the steps for graphing a line? A) 1. Plot y-intercept 2. count slope ratio plot second point 3. Draw the line. B) 1. Make a table 2. Plot slope 3. Draw line. C) 1. Plot two points2. Check slope3. Draw line. D) 1. Draw line2. Hope it is right. Show Answer Correct Answer: A) 1. Plot y-intercept 2. count slope ratio plot second point 3. Draw the line. 22. How do you know when a system is ready for substitution? A) $x$ $y$. B) You just guess. C) Both lines are in $y=mx+b$. D) All the variables "line up". Show Answer Correct Answer: A) $x$ $y$. 23. Simplify.2x-3(2x + 1) = 7 A) 2x-6x-3 = 7. B) 2x-5x + 1 = 7. C) 2x-6x + 3 = 7. D) 2x-2x-3 = 7. Show Answer Correct Answer: A) 2x-6x-3 = 7. 24. What is the role of substitution in sentence structure? A) To maintain coherence. B) To add complexity. C) To introduce new ideas. D) To change the topic. Show Answer Correct Answer: A) To maintain coherence. 25. What is the solution to the following system?$^{x =-2y}$$^{3x + 4y =-8}$ A) (-2, -8). B) (4, 3). C) (-2, 4). D) (-8, 4). Show Answer Correct Answer: D) (-8, 4). 26. Solve using Elimination method.-3x-9y = 15x +3y =-5 A) Infinitely Many Solutions. B) No Solution. C) (0, 0). D) (15, 0). E) (3, 9). Show Answer Correct Answer: A) Infinitely Many Solutions. 27. If a = 3, b = 4, what is 2a + 3b? A) 15. B) 16. C) 17. D) 18. Show Answer Correct Answer: D) 18. 28. Solve the system using substitution. $x=-2y+7$ $2x+y=5$ A) (1, 3). B) (-1, 4). C) (4, -1). D) (3, 1). Show Answer Correct Answer: A) (1, 3). 29. Which best describes a solution to a system of equations? A) A point $\left(x, y\right)$. B) A line $y=mx+b$. C) One value $x$. D) One value $y$. Show Answer Correct Answer: A) A point $\left(x, y\right)$. 30. If p=3 and q=5, find p +q+2 A) 12. B) 10. C) 8. D) None of the above. Show Answer Correct Answer: B) 10. ← 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