This quiz works best with JavaScript enabled. Home > Grammar > Discourse > Substitution – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If a = 6 and b = 7, find the value of 15-a-b. A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: A) 2. 2. What is the first step to solving this system by substitution? y= 4x + 3 2x-3y = 21 A) 2x-3y = 4x + 3. B) 2x-3(4x + 3) = 21. C) 2(4x + 3)-3y = 21. D) 2x-3 = 4x + 3. Show Answer Correct Answer: B) 2x-3(4x + 3) = 21. 3. What is the definition of no solution? A) The lines cross once. B) The lines are parallel. C) They're the same lines. D) None of the above. Show Answer Correct Answer: B) The lines are parallel. 4. Solve the system by substitution. 5x + 4y=-14 y =-7x-15 A) (-2, -1). B) (1, -2). C) (-2, 1). D) (-1, -2). Show Answer Correct Answer: A) (-2, -1). 5. Does the system have one, none or infinite solutions?y = 2x-11y = 2x +5 A) One. B) None. C) Infinitely many solutions. D) None of the above. Show Answer Correct Answer: B) None. 6. 6a-3dwhen a = 1, d = 2 A) 3. B) 12. C) 1. D) 0. Show Answer Correct Answer: D) 0. 7. Solve each equation using the substitution method:k-10 = 7 A) -3. B) 7/10. C) 17. D) None of those. Show Answer Correct Answer: C) 17. 8. What does the word 'do' substitute in the sentence 'They enjoy hiking, and so do we'? A) Enjoy hiking. B) Hiking. C) They. D) We. Show Answer Correct Answer: A) Enjoy hiking. 9. What is the collective noun for a group of dolphins? A) Prickle. B) Pod. C) Pride. D) Cackle. Show Answer Correct Answer: B) Pod. 10. 7x-5y =-5y =-4x + 1 A) (0, -4). B) (0, 3). C) (1, 0). D) (0, 1). Show Answer Correct Answer: D) (0, 1). 11. Which ordered pair is a solution to the system:$x=2y+5$ $2x-3y=7$ A) (-1, 3). B) (1, -3). C) (-1, -3). D) (3, 1). Show Answer Correct Answer: C) (-1, -3). 12. Solve the following system of equations:y = 6x-11-2x-3y =-7 A) (1, 2). B) (2, 5). C) (3, 2). D) (2, 1). Show Answer Correct Answer: D) (2, 1). 13. If b = 7, calculate 6b A) 42. B) 13. C) 40. D) None of the above. Show Answer Correct Answer: A) 42. 14. Simplify.2x-6x-3 = 7 A) -7x = 7. B) 4x + 3 = 7. C) 8x-3 = 7. D) -4x-3 = 7. Show Answer Correct Answer: D) -4x-3 = 7. 15. What is the solution to this system?y = x + 54x + y = 20 A) (3, 8). B) (8, 3). C) (0, 2). D) (2, 0). Show Answer Correct Answer: A) (3, 8). 16. Six times the number of girlsLet g = number of girls A) 6 + g. B) 6g. C) G-6. D) None of the above. Show Answer Correct Answer: B) 6g. 17. What is the definition of an exponent? A) The letter used to represent a quantity. B) The little number or letter used to raise to a power. C) The number in front of a variable. D) The number with no variable. Show Answer Correct Answer: B) The little number or letter used to raise to a power. 18. 5(v + 1) v = 4 A) 26. B) 12. C) 11. D) 25. Show Answer Correct Answer: D) 25. 19. Which method would be best (quickest) for solving the system below:2x + 2y = 113x-4y =-2 A) Substitution. B) Elimination. C) Graphing. D) None of these. Show Answer Correct Answer: B) Elimination. 20. Identify the substitution in the sentence:'She has a dog, and I have one too.' A) Dog. B) She. C) One. D) Too. Show Answer Correct Answer: C) One. 21. A ..... are two or more equations that have the same variables and work together. A) Graphing lines. B) Elimination method. C) System of equations. D) Table. E) Slope intercept form. Show Answer Correct Answer: C) System of equations. 22. Solve the following system of equations:y=4x+12 and y=x-15 A) (9, 48). B) (-9, -24). C) (-9, -6). D) (9, -6). Show Answer Correct Answer: B) (-9, -24). 23. An ordered pair that satisfies both equations in a system of linear equations is called a (a) to the system of equations. A) A. solution. B) Coordinate. C) Inconsistent. D) Input. Show Answer Correct Answer: A) A. solution. 24. Solve the system of linear equations by substitution. $y=x$ $y=2x-1$ A) $\left(1, \-1\right)$. B) $\left(1, 0\right)$. C) $\left(1, 1\right)$. D) $\left(-1, 1\right)$. Show Answer Correct Answer: C) $\left(1, 1\right)$. 25. Hodophile means A) One who loves to travel. B) One who loves to eat. C) One who loves to visit a forest. D) None of the above. Show Answer Correct Answer: A) One who loves to travel. ← PreviousNext →Related QuizzesGrammar QuizzesSubstitution Quiz 1Substitution Quiz 2Substitution Quiz 4Substitution Quiz 5Substitution Quiz 6Substitution Quiz 7Substitution Quiz 8Substitution Quiz 9Substitution Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books