This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 4 Simple Equations – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 4 Simple Equations Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The ..... of a number is its distance from 0 on the number line. A) Inverse. B) Absolute value. C) Absolute quantity. D) Definitive value. Show Answer Correct Answer: B) Absolute value. 2. Gina wheels her wheelchair up a ramp using a force of 80 newtons. If the ramp has a mechanical advantage of 7, what is the output force (in newtons)? A) 11.4 N. B) 560 N. C) 0.1 N. D) 8 N. Show Answer Correct Answer: B) 560 N. 3. Which of the following are correct examples of compounds? A) Water, air, sugar. B) Oxygen, sugar, water. C) Water, salt, air. D) Water, salt, sugar. Show Answer Correct Answer: D) Water, salt, sugar. 4. $400=10.35\cdot t$ A) 4140. B) 38.65. C) 389.65. D) 410.35. Show Answer Correct Answer: B) 38.65. 5. Emily earns $ 14 per hour. Which equation represents how many hours she worked to earn $ 112? A) 14h = 112. B) H + 14 = 112. C) 14 / h = 112. D) H-14 = 112. Show Answer Correct Answer: A) 14h = 112. 6. The symbol "Cu" is what element? A) Copper. B) Chromium. C) Cobalt. D) Carbon. Show Answer Correct Answer: A) Copper. 7. What is the additive inverse of-10? A) -10. B) 1/10. C) 10. D) None of the above. Show Answer Correct Answer: C) 10. 8. Is the equation balanced?:2H$_{2}$O + O$_{2}$ $\rightarrow$ 4MgO + 3Fe A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 9. Sum of $\frac{5}{3}+\frac{12}{6}$ A) $\frac{11}{3}$. B) $\frac{17}{9}$. C) $\frac{17}{6}$. D) None. Show Answer Correct Answer: A) $\frac{11}{3}$. 10. Balance this equation ..... Al + ..... HCl $\rightarrow$ ..... H$_{2 }$+ ..... AlCl$_{3}$ A) 2, 6, 3, 2. B) It is already balanced. C) 4, 12, 3, 4. D) 2, 1, 4, 5. Show Answer Correct Answer: A) 2, 6, 3, 2. 11. What is the correct step to solve for the variable?15 = m-5 A) Add 15 to both sides. B) Add 5 to both sides. C) Subtract 15 from both sides. D) Subtract 5 from both sides. Show Answer Correct Answer: B) Add 5 to both sides. 12. X-(-7) =-17 A) -24. B) -10. C) 10. D) 24. Show Answer Correct Answer: A) -24. 13. Why is the following chemical equation not balanced? H$^{}$$_{2 + }$$^{}$O$_{2 }$$\rightarrow$ H$_{2}$O A) Each side of the equation has a different number of oxygen atoms. B) Each side of the equation has a different number of hydrogen atoms. C) Each side has the same mass. D) None of the above. Show Answer Correct Answer: A) Each side of the equation has a different number of oxygen atoms. 14. What is the metric unit for work? A) Meter. B) Newton. C) Joule. D) Miles. Show Answer Correct Answer: C) Joule. 15. How do you solve the equation x-5.5 = 10.5? A) Add 5.5 to both sides to get x = 16. B) Subtract 5.5 from both sides to get x = 5.5. C) Multiply both sides by 5.5 to get x = 57.25. D) Divide both sides by 5.5 to get x = 1.91. Show Answer Correct Answer: A) Add 5.5 to both sides to get x = 16. 16. Suppose Usain Bolt ran 400 meters at the same average speed (10.35) that he ran the 200 meters. How long would it take him to run 400 meters? Round your answer to the nearest hundredth of a second (two decimal places).What would the new equation look like? $d=r\cdot t$ A) $200=400\cdot t$. B) $10.35=400\cdot t$. C) $10.35=200\cdot t$. D) $400=10.35\cdot t$. Show Answer Correct Answer: D) $400=10.35\cdot t$. 17. The primary colors are important because A) They make all other colors. B) They are expensive. C) They have been around since the dinosaurs. D) None of the above. Show Answer Correct Answer: A) They make all other colors. 18. What is a coefficient? A) The small number on the right of the chemical symbol. B) The large number in front of a chemical formula. C) The number in between the chemical symbols. D) The number behind a chemical formula. Show Answer Correct Answer: B) The large number in front of a chemical formula. 19. 3 (x-2) = 9 A) X = 5. B) X = 7. C) X = 6. D) X = 8. Show Answer Correct Answer: A) X = 5. 20. If you subtract 3 from 6 times a number you get 9 A) ZKS-s = it. B) Shh-z =. C) Sh+H = I. D) ZKS+W = It. Show Answer Correct Answer: B) Shh-z =. 21. A shirts is discounted $ 17.00 off of the original price. You pay 26.50 for the shirt. What was the original price? A) $ 9.50. B) $ 33.50. C) $ 43.50. D) $ 19.50. Show Answer Correct Answer: C) $ 43.50. 22. The solution of the equation 3x + 5 = 0 is A) $\frac{5}{3}$. B) -5. C) $\frac{-5}{3}$. D) 5. Show Answer Correct Answer: C) $\frac{-5}{3}$. 23. In 2x-5 = 9, what is the value of x? A) 7. B) -7. C) 2. D) -2. Show Answer Correct Answer: A) 7. 24. * Describe in words how to solve a one-step equation.Solve for x:-13.8 = x-4.3Write this out on paper and turn it in to Ms. Simonson. When you are done, go onto coolmath.com only. Anyone found or seen on other sites will not be told, but their names will be written down for detention, no exceptions. A) I understand. B) I do not understand. C) All the above. D) None of the above. Show Answer Correct Answer: A) I understand. 25. Any term of an equation may be taken from one side to the other with a change in its sign. This process is called ..... A) Transposing. B) Balancing. C) Trial and error method. D) Elimination method. Show Answer Correct Answer: A) Transposing. ← PreviousNext →Related QuizzesClass 7 Mathematics Chapter 4 Simple Equations Quiz 1Class 7 Mathematics Chapter 4 Simple Equations Quiz 2Class 7 Mathematics Chapter 4 Simple Equations Quiz 4Class 7 Mathematics Chapter 4 Simple Equations Quiz 5Class 7 Mathematics Chapter 4 Simple Equations Quiz 6Class 7 Mathematics Chapter 4 Simple Equations Quiz 7Class 7 Mathematics Chapter 4 Simple Equations Quiz 8Class 7 Mathematics Chapter 4 Simple Equations Quiz 9Class 7 Mathematics Chapter 4 Simple Equations Quiz 10Class 7 Mathematics Chapter 4 Simple Equations Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books