This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Mathematics > Class 12 Mathematics Chapter 4 Determinants – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Mathematics Chapter 4 Determinants Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is one of the key determinants of price elasticity of demand? A) The size of the market. B) The advertising budget. C) The level of income. D) The number of substitutes. Show Answer Correct Answer: D) The number of substitutes. 2. If we apply elementary operations on any matrix A, then value of its $\left|A\right|$ A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 3. Ahir vam dur ..... (de nosaltres) gos al veterinari. A) Les nostres. B) La nostra. C) El nostre. D) Els nostres. Show Answer Correct Answer: C) El nostre. 4. When consumer's income is expected to rise in the future, demand ..... and the demand curve shifts ..... A) Decreases; leftward. B) Increases; rightward. C) Increases; leftward. D) Decreases; rightward. Show Answer Correct Answer: B) Increases; rightward. 5. There is a family that struggles to pay rent may be forced to move frequently. This situation is an example of ..... A) Health Care Access and Quality. B) Neighborhood and Built Environment. C) Economic Stability. D) Education Access and Quality. Show Answer Correct Answer: C) Economic Stability. 6. Which is not a type of human interest story? A) An emotional story. B) A financial report. C) A conflict. D) Unique and out of the ordinary. Show Answer Correct Answer: B) A financial report. 7. A method that uses determinants to solve a system of linear equations A) Decartes' Rule. B) Pythagorean Theorem. C) Scalar multiplication. D) Cramer's Rule. Show Answer Correct Answer: D) Cramer's Rule. 8. Which factor is represented by the letter 'N' in the mnemonic device? A) Number of Prodecers/Sellers. B) National. C) Net Worth. D) Next. Show Answer Correct Answer: A) Number of Prodecers/Sellers. 9. Quins determinants serveixen per a fer preguntes? A) Els articles. B) Els demostratius. C) Els interrogatius. D) Els indefinits. Show Answer Correct Answer: C) Els interrogatius. 10. Aggregate pay can influence ..... A) Purchasing power. B) The basic pay. C) Market price rate. D) The salary. Show Answer Correct Answer: A) Purchasing power. 11. An example of physical motivation is ..... A) Undergoing a health check-up. B) Visiting a museum. C) Meeting friends abroad. D) Luxury shopping. Show Answer Correct Answer: A) Undergoing a health check-up. 12. If A is an invertible square matrix and k is a non-negative real number then $\left(kA\right)^{-1}=$ A) $k\left(A^{-1}\right)$. B) $\frac{1}{k}\left(A^{-1}\right)$. C) $-k\left(A^{-1}\right)$. D) None of these. Show Answer Correct Answer: B) $\frac{1}{k}\left(A^{-1}\right)$. 13. Use Cramer's Rule to solve the following:-3x + y = 4-5x + 2y-4z =-3-x-4y-6z = 11 A) (2, -3, -5). B) (-3, -5, 2). C) (2, -4, -4). D) (2, -5, -3). Show Answer Correct Answer: B) (-3, -5, 2). 14. Social determinants of health refer to the conditions in which people are born, grow, live, work, and age. Which of the following is not a social determinant of health? A) Genetics. B) Socioeconomic status. C) Education. D) Access to healthcare. Show Answer Correct Answer: A) Genetics. 15. How does the proportion of income spent on a good affect its price elasticity of demand? A) The higher the proportion, the more inelastic the demand. B) The higher the proportion, the more elastic the demand. C) The proportion of income has no effect on demand elasticity. D) The effect depends on the market size. Show Answer Correct Answer: B) The higher the proportion, the more elastic the demand. 16. "Detroit Ford factory closes, forcing layoffs of 3, 000 employees" A) Prominence. B) Impact. C) Timeliness. D) Human Interest. Show Answer Correct Answer: B) Impact. 17. If consumers expect prices to decrease in the near future, their demand will ..... today. A) Decrease. B) Increase. C) Stay the same. D) None of the above. Show Answer Correct Answer: A) Decrease. 18. What is the geometric interpretation of a determinant? A) The determinant indicates the angle between vectors in a matrix. B) The determinant represents the volume scaling factor of the transformation defined by the matrix. C) The determinant measures the distance between points in space. D) The determinant is the sum of the elements in the matrix. Show Answer Correct Answer: B) The determinant represents the volume scaling factor of the transformation defined by the matrix. 19. If A and B are square matrices of order 3 such that $\left|A\right|=-1$ $\left|B\right|=3$ $\left|3AB\right|$ A) -9. B) 81. C) -81. D) 9. Show Answer Correct Answer: C) -81. 20. Find the determinant of identity matrix of order $3\times3$ A) 1. B) 0. C) 3. D) None of the above. Show Answer Correct Answer: A) 1. 21. New technology advances the rate at which furniture can be assembled. Why does this change the supply? A) Change in cost of production. B) Changes in number of producers. C) Changes in expectations. D) None of the above. Show Answer Correct Answer: A) Change in cost of production. 22. Mrs. Gomez discovers that her son is having trouble studying for Biochemistry, as he is falling behind his classmates. She wants to help him find his preferred study style that can help him. What Learning Style Instrument should Mrs. Gomez and her son use? A) MBTI Test. B) Group Embedded Figures Test (GEFT). C) Brain Preference Indicator (BPI). D) Productivity Environmental Preference Survey (PEPS). Show Answer Correct Answer: D) Productivity Environmental Preference Survey (PEPS). 23. How can determinants be used to solve systems of linear equations? A) Determinants can be used to find unique solutions for systems of linear equations using Cramer's Rule. B) Determinants are irrelevant in solving linear equations. C) Determinants provide solutions only for non-linear systems. D) Determinants can only be used for quadratic equations. Show Answer Correct Answer: A) Determinants can be used to find unique solutions for systems of linear equations using Cramer's Rule. 24. Que indiquen els demostatius? A) La distancia. B) Qui es el posseidor. C) All the above. D) None of the above. Show Answer Correct Answer: A) La distancia. 25. Tanca ..... porta que fa fred! A) La. B) Seua. C) Una. D) Molta. Show Answer Correct Answer: A) La. 26. Un article pot ser A) Exclamatiu o interrogatiu. B) Demostratiu o possesiu. C) Numeral o indefinit. D) Definit e indefinit. Show Answer Correct Answer: D) Definit e indefinit. 27. El meu, la meua, el teu, la teua, ..... A) El nostre, la nostra. B) El vostre, la vostra. C) El seu, la seua. D) None of the above. Show Answer Correct Answer: C) El seu, la seua. 28. Surge in Demand for Organic Hair Care Products!What's the Determinant of Supply? A) Change in number of producers. B) Change in technology. C) Change in government policies-taxes, subsidies, regulations. D) Change in consumer preferences. Show Answer Correct Answer: D) Change in consumer preferences. 29. Em dones croquetes? No, que me'n queden poques A) Determinant. B) Adverbi. C) Pronom. D) None of the above. Show Answer Correct Answer: C) Pronom. 30. How close in time the events in the story are to the time of publication A) Prominence. B) Consequence or impact. C) Human interest. D) Timliness. E) Proximiity. Show Answer Correct Answer: D) Timliness. 31. Els determinants son paraules: A) VARIABLES. B) INVARIABLES. C) All the above. D) None of the above. Show Answer Correct Answer: A) VARIABLES. 32. Does ..... know where she lives? A) Anyone. B) (a) some. C) No one. D) Someone. Show Answer Correct Answer: A) Anyone. 33. What is relative income inequality? A) Paying more taxes. B) Receiving less than 50% of average household income. C) Having no income. D) Having more income than average. Show Answer Correct Answer: B) Receiving less than 50% of average household income. 34. What is a determinant in linear algebra? A) A determinant is a vector that represents the direction of a matrix. B) A determinant is a function that maps matrices to real numbers. C) A determinant is a matrix that contains only zeros. D) A determinant is a scalar value that indicates the invertibility of a square matrix. Show Answer Correct Answer: D) A determinant is a scalar value that indicates the invertibility of a square matrix. 35. What must be true in order to MULTIPLY two matrices? A) The #of columns of the 1st must equal the # of rows of the 2nd. B) The determinant can't equal 0. C) They must be square. D) The dimensions must be equal. Show Answer Correct Answer: A) The #of columns of the 1st must equal the # of rows of the 2nd. 36. Which algebraic property states that matrix addition is commutative? A) Distributive property. B) Commutative property. C) Inverse property. D) Associative property. Show Answer Correct Answer: B) Commutative property. 37. Which of the following statements is true about the identity matrix? A) Multiplying any matrix by the identity matrix leaves it unchanged. B) Multiplying any matrix by the identity matrix makes it a zero matrix. C) The identity matrix has all zeros. D) The identity matrix is always invertible only if its determinant is zeroTagsCCSS.HS.N-VM.C.10. Show Answer Correct Answer: A) Multiplying any matrix by the identity matrix leaves it unchanged. 38. If A' =-A, then the matrix A is called ..... A) Symmetric matrix. B) Skew-symmetric matrix. C) Transpose of a matrix. D) Square matrix. Show Answer Correct Answer: B) Skew-symmetric matrix. 39. Everyone in Byron Center gets a pay increase. How will this impact the demand for going out to eat? A) Demand will increase. B) Demand will decrease. C) All the above. D) None of the above. Show Answer Correct Answer: A) Demand will increase. 40. You decide that you are going to help out at the local food bank. This makes you, a student, prominent enough to be on the national news. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 41. A young woman in Australia claims that she can now speak to dolphins after inventing a device that will translate what they say A) Timeliness. B) Proximity. C) Human interest. D) Prominence. E) Consequence or impact. Show Answer Correct Answer: C) Human interest. 42. What is the primary function of a determinants in a sentence? A) Verb tense. B) Adverb modification. C) Companies Noun. D) Pronoun replacement. E) Conjunction usage. Show Answer Correct Answer: C) Companies Noun. 43. I am very tired today, as I had ..... guests today. A) (a) many. B) Much. C) A few. D) (c) little. Show Answer Correct Answer: A) (a) many. 44. Which type of matrix has all its elements below the main diagonal equal to zero? A) Diagonal matrix. B) Triangular matrix. C) Identity matrix. D) Symmetric matrix. Show Answer Correct Answer: B) Triangular matrix. 45. She earns so ..... that she could not make a decent living. A) Many. B) (b) few. C) Much. D) Little. Show Answer Correct Answer: D) Little. 46. Why does a high level of education encourage people to travel more? A) Because it gives more free time. B) Because it increases knowledge and curiosity. C) Because it provides more income. D) Because it lowers ticket prices. Show Answer Correct Answer: B) Because it increases knowledge and curiosity. 47. If A(3, 4)B(-7, 2) C(x, y) are collinear then A) X+5y+17=0. B) X+5y+13=0. C) X-5y+17=0. D) None of these. Show Answer Correct Answer: C) X-5y+17=0. 48. What is the ultimate influence of the social determinants of health? A) Health inequities. B) Health behaviors. C) Life expectancy. D) Genetic makeup. Show Answer Correct Answer: A) Health inequities. 49. Products that can be used in a place of other products A) Diminishing marginal utility. B) Income effect. C) Substitutes. D) Complements. Show Answer Correct Answer: C) Substitutes. 50. What is the result of multiplying any matrix by the identity matrix? A) A zero matrix. B) The original matrix. C) A symmetric matrix. D) A diagonal matrix. Show Answer Correct Answer: B) The original matrix. 51. The Law of Demand states that price ..... , quantity demanded decreases. A) Stay the same. B) Decreases. C) Doesn't change. D) Increases. Show Answer Correct Answer: D) Increases. 52. Use Cramer's Rule to Solve the Following:2x-5z = 6-3x + 4y-2z = 26-3x + y-4z = 18 A) (5, -6, 4). B) (-6, 5, -3). C) (-2, 4, -2). D) (5, -6, -3). Show Answer Correct Answer: C) (-2, 4, -2). 53. ..... es de Sevilla. A) Yo. B) Tu. C) Ella. D) Nosotras. Show Answer Correct Answer: C) Ella. 54. Elasticity is higher when the time period for adjustment is: A) Short. B) Constant. C) Irrelevant. D) Long. Show Answer Correct Answer: D) Long. 55. The concentration of health facilities and services in certain geographic areas, leaving other areas underserved, is an example of a social determinant related to A) Education. B) Healthcare access. C) Socioeconomic status. D) Neighbourhood and built environment. Show Answer Correct Answer: B) Healthcare access. 56. ..... information that she gave proved false. A) Some. B) Many. C) The few. D) A few. Show Answer Correct Answer: A) Some. 57. Quin no es cardinal? A) Dos. B) Quatre. C) Set. D) Primer. Show Answer Correct Answer: D) Primer. 58. Its is the possessive determiner for ..... A) They. B) I. C) He. D) It. E) You. Show Answer Correct Answer: D) It. 59. A person with limited health literacy may struggle to understand instructions on a prescription bottle, leading to medication errors. This situation is an example of ..... A) Education Access and Quality. B) Neighborhood and Built Environment. C) Social and Community Context. D) Health Care and Quality. Show Answer Correct Answer: A) Education Access and Quality. 60. Det(AB) = Det(A).Det(B) A) Statement is true only for some A and B. B) Statement is always true. C) Statement is never true. D) None of the above. Show Answer Correct Answer: B) Statement is always true. ← 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 6Class 12 Mathematics Chapter 4 Determinants Quiz 7Class 12 Mathematics Chapter 4 Determinants Quiz 8Class 12 Mathematics Chapter 1 Relations And Functions Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books