This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Mathematics > Class 12 Mathematics Chapter 4 Determinants – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Mathematics Chapter 4 Determinants Quiz 7 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is NOT a type of travel motivation? A) Interpersonal motivation. B) Cultural motivation. C) Physical motivation. D) Political motivation. Show Answer Correct Answer: D) Political motivation. 2. ..... of my students have become doctors. A) (c) Some. B) Few. C) (b) Much. D) Many. Show Answer Correct Answer: A) (c) Some. 3. What is the significance of a determinant being equal to zero? A) The matrix is singular and does not have an inverse. B) The matrix can be inverted using row operations. C) The matrix has a unique solution. D) The matrix is orthogonal and has a determinant of one. Show Answer Correct Answer: A) The matrix is singular and does not have an inverse. 4. In general, if a good is considered a necessity, its price elasticity of demand is: A) Highly responsive. B) Perfectly elastic. C) Elastic. D) Inelastic. Show Answer Correct Answer: D) Inelastic. 5. Choiceseixantacinc mil dos-cents trenta-un A) Seixanta-cinc-mil dos-centstrenta-un. B) Seixanta-cincmildoscentstrenta-un. C) Seixanta-cinc mildos-centstrenta-un. D) None of above. Show Answer Correct Answer: C) Seixanta-cinc mildos-centstrenta-un. 6. There are ..... birds on the tree. A) (b) few. B) Many. C) Little. D) Much. Show Answer Correct Answer: B) Many. 7. What is the purpose of the group task in the presentation? A) To memorize definitions. B) To write an essay. C) To explore health outcomes based on different life scenarios. D) To create a diet plan. Show Answer Correct Answer: C) To explore health outcomes based on different life scenarios. 8. Ce sont ..... chaussures car elles sont a toi! A) Mes. B) Tes. C) Ses. D) Vos. Show Answer Correct Answer: B) Tes. 9. I love ..... book. A) Any. B) Those. C) This. D) These. Show Answer Correct Answer: C) This. 10. What is the possessive determiner for "they" ? A) We. B) You. C) He. D) I. E) Their. Show Answer Correct Answer: E) Their. 11. Agafa ..... llibre qualsevol de la biblioteca A) Uns. B) El. C) Les. D) Un. Show Answer Correct Answer: D) Un. 12. If a good has many substitutes, its price elasticity of demand is likely to be: A) Inelastic. B) Perfectly elastic. C) Elastic. D) Highly responsive. Show Answer Correct Answer: C) Elastic. 13. Value of determinant remains unchanged if its row and columns are interchanged. A) Always false. B) IF |A| = 0, then true. C) Always true. D) If |A| not equal to 0 then true. Show Answer Correct Answer: C) Always true. 14. The cost of groceries and gas are increasing but your salary is not. What are you suffering from? A) The substitution effect. B) Diminishing marginal utility. C) Real income effect. D) None of the above. Show Answer Correct Answer: C) Real income effect. 15. La Lola treballa en ..... restaurant. A) Aquelles. B) Aquella. C) Aquell. D) Aquells. Show Answer Correct Answer: C) Aquell. 16. Aquests problemes em costen bastant A) Determinant. B) Adverbi. C) Pronom. D) None of the above. Show Answer Correct Answer: B) Adverbi. 17. = ( a * d)-( b * c ) A) Objective function. B) Determinant. C) Optimization. D) Gauss jordan elimination. Show Answer Correct Answer: B) Determinant. 18. Scissor Prices Cut in Half for barbershops and salons across Delaware.What's the Determinant of Supply? A) Change in price and availability of productive resources. B) Change in number of producers. C) Change in government policies-taxes, subsidies, regulations. D) Change in expectation of future prices. Show Answer Correct Answer: A) Change in price and availability of productive resources. 19. What is the relationship between the determinant and the invertibility of a matrix? A) The determinant of a matrix indicates its invertibility; a non-zero determinant means the matrix is invertible. B) The determinant has no relation to the invertibility of a matrix. C) A matrix is always invertible if its determinant is zero. D) A non-zero determinant indicates the matrix is singular. Show Answer Correct Answer: A) The determinant of a matrix indicates its invertibility; a non-zero determinant means the matrix is invertible. 20. What is meant by determinants in tourism? A) Motivation to take a vacation. B) Factors that influence travel decisions. C) Tourist attractions. D) Barriers that stop tourists from traveling. Show Answer Correct Answer: B) Factors that influence travel decisions. 21. A demographic factor that can reduce travel frequency is ..... A) High education level. B) Young age. C) Having small children. D) Changes in women's roles. Show Answer Correct Answer: C) Having small children. 22. When consumers don't like the products, demand ..... and the demand curve shifts ..... A) Increases; leftward. B) Increases; rightward. C) Decreases; rightward. D) Decreases; leftward. Show Answer Correct Answer: D) Decreases; leftward. 23. For which type of goods is demand likely to be most inelastic? A) Goods with many close substitutes. B) Goods with a high price relative to income. C) Basic necessities. D) Luxury goods. Show Answer Correct Answer: C) Basic necessities. 24. Which of the following is NOT one of the determinants of supply? A) Change in number of sellers. B) Substitutes. C) Change in technology. D) Change in cost of resources/inputs. Show Answer Correct Answer: B) Substitutes. 25. Find the area of a triangle whose vertices are A (2, 3), B (3, 2) and C (1, 8). A) -15. B) 15. C) 10. D) None of these. Show Answer Correct Answer: D) None of these. 26. Que indiquen els indefinits? A) Indiquen quantitat de manera imprecisa. B) Indiquen quantitat de manera precisa. C) Niguna. D) None of the above. Show Answer Correct Answer: A) Indiquen quantitat de manera imprecisa. 27. The sellers of Twinkies also sell healthy foods. With all the health regulations we have now, the sellers of Twinkies want to sell more healthy foods. The supply of Twinkies will decrease. What supply factor does this best relate to? A) Change in Technology. B) Change in Number of Sellers in the Market. C) Change in Profit Opportunities Producing other Products. D) None of the above. Show Answer Correct Answer: C) Change in Profit Opportunities Producing other Products. 28. Evaluate each determinant:|2-1||-3-4| A) (-4 x-2) + (-3 x 2) =-5. B) (2 x-4)-(-1 x-3) =-11. C) (2 x-4) + (-1 x-3) =-15. D) (2 x 4)-(-1 x-3) = 11. Show Answer Correct Answer: B) (2 x-4)-(-1 x-3) =-11. 29. The number of onto functions from{1, 2, 3} to {a, b} is A) 8. B) 6. C) 9. D) 4. Show Answer Correct Answer: B) 6. 30. Translate "ese(a)" to English. A) Those. B) This. C) These. D) Them. E) That. Show Answer Correct Answer: E) That. 31. I would like to ask ..... questions. A) Little. B) Any. C) A few. D) (a) much. Show Answer Correct Answer: C) A few. 32. Solve system by using Cramer's Rule. Answers are written in the following form (x, y) $4x+6y=3$ $8x-3y=1$ A) $\left(-\frac{1}{3}, \frac{1}{4}\right)$. B) $\left(\frac{1}{3}, \frac{1}{4}\right)$. C) $\left(\frac{1}{4}, \frac{1}{3}\right)$. D) $\left(\frac{1}{4}, -\frac{1}{3}\right)$. Show Answer Correct Answer: C) $\left(\frac{1}{4}, \frac{1}{3}\right)$. 33. ..... is the amount of product that people would be willing and able to purchase at every possible price. Meanwhile, ..... is the amount of a product that people are willing and able to purchase at a specific price. A) Demand; Quantity demanded. B) Quantity demanded; Demand. C) All the above. D) None of the above. Show Answer Correct Answer: A) Demand; Quantity demanded. 34. A is a square matrix of order 3. If A$^{2}$ = I (identity matrix of order 3) then |A| A) 1. B) 1 or-1. C) 3. D) 0. Show Answer Correct Answer: B) 1 or-1. 35. If the determinant of a 3 x 3 matrix is 0, what does this mean? A) The matrix is the identity matrix. B) The matrix is a zero matrixTagsCCSS.HS.N-VM.C.10. C) The matrix is invertible. D) The matrix is not invertible. Show Answer Correct Answer: D) The matrix is not invertible. 36. When there are less buyers, demand ..... and the demand curve shifts ..... A) Increases; leftward. B) Increases; rightward. C) Decreases; rightward. D) Decreases; leftward. Show Answer Correct Answer: D) Decreases; leftward. 37. Inelastic demand implies that consumers: A) Are very responsive to price changes. B) Are not very responsive to price changes. C) Have limited choices. D) Have perfectly elastic demand. Show Answer Correct Answer: B) Are not very responsive to price changes. 38. What do social cohesion and social capital bridge? A) Health systems and health care. B) Socioeconomic and political context. C) Health and well-being. D) Structural and intermediary determinants. Show Answer Correct Answer: D) Structural and intermediary determinants. 39. Which of the following is NOT a determinant of health? A) Education. B) Age. C) Favorite color. D) Ethnicity. Show Answer Correct Answer: C) Favorite color. 40. If A is a $3\times3$ $\left|3A\right|=k\left|A\right|$ A) 9. B) 18. C) 3. D) 27. Show Answer Correct Answer: D) 27. 41. Which of the following is likely to have the most elastic demand? A) A unique artwork with no close substitutes. B) Table salt. C) A brand of luxury car. D) Latest electronic gadgets. Show Answer Correct Answer: D) Latest electronic gadgets. 42. En Pere m'ha explicat certes coses A) Numeral. B) Article. C) Indefinit. D) Possessiu. Show Answer Correct Answer: C) Indefinit. 43. A brand new machine cooks, cleans, and never messes up a fast food order. This means we can sell more fast food than ever before, leading to producers cutting cost of fast food. Which supply factor does this most likely relate to? A) Change in Technology. B) Change in Profit Opportunities Producing other Products. C) Change in Producers' Price Expectations. D) None of the above. Show Answer Correct Answer: A) Change in Technology. 44. There is NO inverse if the determinant equals what value? A) 0. B) 1. C) -1. D) None of the above. Show Answer Correct Answer: A) 0. 45. ..... dia mes bonic A) Quan. B) Quina. C) Quin. D) Quant. Show Answer Correct Answer: C) Quin. 46. Markets are both physical and remote placed where businesses and buyers make ..... A) Market. B) Quantity. C) Exchanges. D) Consumers. Show Answer Correct Answer: C) Exchanges. 47. The money buyers have available to purchase a good or a service. A) Expectation of Buyers. B) Related Goods-Substitution. C) Number of Buyers. D) Income of Buyers. Show Answer Correct Answer: D) Income of Buyers. 48. Matrix multiplication is NOT ..... A) Commutative. B) Linear. C) Associative. D) Distributive. Show Answer Correct Answer: A) Commutative. 49. Aquell professor no fa massa feina. A) Determinant possessiu. B) Determinant demostratiu. C) Determinant exclamatiu. D) Determinant article. Show Answer Correct Answer: B) Determinant demostratiu. 50. Businesses consider price, quality, and ..... when answering the Four Basic Economic Questions. A) Consumers. B) Money. C) Market. D) Quantity. Show Answer Correct Answer: D) Quantity. 51. Someone with a strong social support system, such as a close-knit family or community group is an example of ..... A) Health Care Access and Quality. B) Economic Stability. C) Education Access and Quality. D) Social and Community Context. Show Answer Correct Answer: D) Social and Community Context. 52. The $\left(i, j\right)-th$ $A_{ij}$ $n\times n$ $A$ A) Another name for the (i, j)-th entry of A. B) The matrix obtained by deleting the i-th row and j-th column of A. C) The matrix obtained by deleting the j-th row and i-th column of A. D) The determinant of the matrix obtained by deleting the i-th row and j-th column of A. Show Answer Correct Answer: D) The determinant of the matrix obtained by deleting the i-th row and j-th column of A. 53. The government is giving every individual 18 and above an extra $ 1, 000.00 this year. What determinant of demand does this likely fall under? A) Change in Consumer Price Expectations. B) Change in Consumer Income. C) Change in Consumer Tastes. D) Change in Number of Consumers in the Market. Show Answer Correct Answer: B) Change in Consumer Income. 54. If A is a 2 x 2 matrix such that |A| $\ne$ A) 8. B) 20. C) 16. D) 80. Show Answer Correct Answer: D) 80. 55. If the demand for a good is inelastic, a price increase will lead to: A) A small decrease in quantity demanded. B) A large decrease in quantity demanded. C) No change in quantity demanded. D) An increase in quantity demanded. Show Answer Correct Answer: A) A small decrease in quantity demanded. 56. On your paper show the setup for solving the system using Cramer's rule. Solve system by using Cramer's Rule. Answers are written in the following form (x, y) $2x+3y=15$ $x-3y=3$ A) $\left(6, 1\right)$. B) $\left(6, -1\right)$. C) $\left(1, 6\right)$. D) $\left(-1, 6\right)$. Show Answer Correct Answer: A) $\left(6, 1\right)$. 57. Solve for x and y. Use Cramer's2x-3y =-1 y = x-1 A) (3, 4). B) (4, 3). C) (-2, -3). D) (0, -1). Show Answer Correct Answer: B) (4, 3). 58. ..... agreed to come with me. A) (b) Few. B) Many. C) Several. D) (d) Someone. Show Answer Correct Answer: D) (d) Someone. 59. If A is an invertible matrix of order 2 and |A|=5 then find |Adj A| A) 25. B) 125. C) 5. D) 15. Show Answer Correct Answer: C) 5. 60. "Central Florida veteran donates thousands to Wounded Warrior Project" A) Conflict. B) Timeliness. C) Human Interest. D) Prominence. Show Answer Correct Answer: C) Human Interest. ← PreviousNext →Related QuizzesScience QuizzesClass 12 QuizzesClass 12 Mathematics Chapter 4 Determinants Quiz 1Class 12 Mathematics Chapter 4 Determinants Quiz 2Class 12 Mathematics Chapter 4 Determinants Quiz 3Class 12 Mathematics Chapter 4 Determinants Quiz 4Class 12 Mathematics Chapter 4 Determinants Quiz 5Class 12 Mathematics Chapter 4 Determinants Quiz 6Class 12 Mathematics Chapter 4 Determinants Quiz 8Class 12 Mathematics Chapter 1 Relations And Functions Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books