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 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When an atom/group is lost and leaves a carbocation-this is an example of? A) SN1. B) SN2. C) All the above. D) None of the above. Show Answer Correct Answer: A) SN1. 2. What is the X-VALUE in the (X, Y) solution to the following system of equations? $-6x-2y=16$ $y=5x-8$ A) -3. B) 0. C) -6. D) 8. Show Answer Correct Answer: B) 0. 3. What does the word 'it' substitute in the sentence 'I lost my pen, but I found it later'? A) My. B) Pen. C) Found. D) Lost. Show Answer Correct Answer: B) Pen. 4. Which of the following is not required for the reaction of halogenoalkanes with KCN? A) Heated under reflux. B) Heat under pressure. C) Ethanol. D) None of the above. Show Answer Correct Answer: B) Heat under pressure. 5. If a=3, and b=-1, then (ab)$^{2 }$= A) 9. B) -3. C) 3. D) -9. Show Answer Correct Answer: A) 9. 6. Solve each equation using the substitution method:b + 7 = 10 A) None of those. B) 17. C) 2. D) 3. Show Answer Correct Answer: D) 3. 7. On the whole, boys are not as diligent as girls ..... , girls are more hardworking. A) Generally. B) Voluntary. C) All the above. D) None of the above. Show Answer Correct Answer: A) Generally. 8. Something that is fit to be eaten A) Fodder. B) Legible. C) Menu. D) Edible. Show Answer Correct Answer: D) Edible. 9. One who possesses many talents A) Versatile. B) Exceptional. C) Nubile. D) Gifted. Show Answer Correct Answer: A) Versatile. 10. When does a system of equations have no solutions? A) When the lines cross. B) When slopes of the lines are different. C) There is ALWAYS a solution sir!. D) When the slopes are the same. Show Answer Correct Answer: D) When the slopes are the same. 11. If a=6 and b= 7, find the value of 15-a-b A) 2. B) 3. C) 4. D) None of the above. Show Answer Correct Answer: A) 2. 12. Solve using substitution:$y=8x+1$ $y=6x+3$ A) $\left(4, 14\right)$. B) $\left(1, 9\right)$. C) $\left(2, 4\right)$. D) $\left(0, 1\right)$. Show Answer Correct Answer: B) $\left(1, 9\right)$. 13. Given the following system of equations, Student A says the solution is (7, -5); and Student B says the solution is (-7, -5). Which student is correct? $2x+6y=-16$ $y=-3x+16$ A) Student A. B) Student B. C) Neither student is correct. D) None of the above. Show Answer Correct Answer: A) Student A. 14. Which variable would be the simplest one to isolate?4x + y = 82x + 2y = 12 A) The X on the top equation. B) The Y on the bottom equation. C) The Y on the top equation. D) The X on the bottom Equation. Show Answer Correct Answer: C) The Y on the top equation. 15. Solve the system of equations by substitution. $3x-7y=-22$ $y=4$ A) (2, 4). B) (-4, -2). C) (4, -2). D) (-4, 2). Show Answer Correct Answer: A) (2, 4). 16. Write an algebraic expression for "12 more than number" . A) X + 12. B) 12x. C) X-12. D) None of the above. Show Answer Correct Answer: A) X + 12. 17. Letter used to represent a number A) Variable. B) Constant. C) Function. D) Coefficient. Show Answer Correct Answer: A) Variable. 18. What is the function of substitution? A) To avoid differences. B) To avoid repetition. C) All the above. D) None of the above. Show Answer Correct Answer: B) To avoid repetition. 19. $f\left(x\right)=3x^3+16x^2+7x+10$ A) -10. B) -4. C) 8. D) 0. Show Answer Correct Answer: D) 0. 20. When solving a system algebraically, what would the graph look like for a system if the solution was 3 =-11? A) Parallel Lines/No solution. B) Parallel Lines/Infinite Solutions. C) Same Line/No solution. D) Same Line/Infinitie Solutions. Show Answer Correct Answer: A) Parallel Lines/No solution. 21. Take 10 away from s A) S + 10. B) 10-s. C) S/10. D) S-10. Show Answer Correct Answer: D) S-10. 22. Which is the best method to use?y = 6x-11-2x-3y =-7 A) Graphing. B) Substitution because a variable is isolated. C) Elimination because both equations are in standard form. D) None of the above. Show Answer Correct Answer: B) Substitution because a variable is isolated. 23. If y = 7, find the value of 2(y+4). A) 22. B) 20. C) 11. D) 12. Show Answer Correct Answer: A) 22. 24. In the sentence 'I have never seen such a beautiful place, nor have I seen such friendly people, ' what does 'nor' substitute? A) I have never seen. B) Seen. C) Such a beautiful place. D) Such friendly people. Show Answer Correct Answer: A) I have never seen. 25. What point is a solution to the system of equations below?3x + 2y = 167x + y = 19 A) (-2, -5). B) (2, 5). C) (2, -5). D) (-2, 5). Show Answer Correct Answer: B) (2, 5). 26. What is a variable in Algebra? A) A numeric expression. B) Something that changes. C) An unknown value. D) An equation. Show Answer Correct Answer: C) An unknown value. 27. When 12 + 8 = n + 16, find the value of n. A) N=36. B) N=24. C) N=4. D) N=20. Show Answer Correct Answer: C) N=4. 28. Another word for 'integral' is ..... A) Derivative. B) Constant. C) Antiderivative. D) Theorem. Show Answer Correct Answer: C) Antiderivative. 29. What is the y-value of the solution to the following systems of linear equations? y = x + 2x + 2y = 5 A) 3. B) 2. C) 5. D) None of the above. Show Answer Correct Answer: A) 3. 30. What is the mechanism for the reaction between chloromethane and sodium hydroxide solution heated under reflux? A) Nucleophilic substitution. B) Nucleophilic addition. C) Electrophilic addition. D) Free radical substitution. Show Answer Correct Answer: A) Nucleophilic substitution. ← 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