This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Mathematics Chapter 4 Determinants – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Mathematics Chapter 4 Determinants Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. Surge in Demand for Organic Hair Care Products!What's the Determinant of Supply? A) Change in consumer preferences. B) Change in technology. C) Change in government policies-taxes, subsidies, regulations. D) Change in number of producers. Show Answer Correct Answer: A) Change in consumer preferences. 3. 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. 4. How close in time the events in the story are to the time of publication A) Prominence. B) Proximiity. C) Timliness. D) Consequence or impact. E) Human interest. Show Answer Correct Answer: C) Timliness. 5. Els determinants son paraules: A) VARIABLES. B) INVARIABLES. C) All the above. D) None of the above. Show Answer Correct Answer: A) VARIABLES. 6. Does ..... know where she lives? A) (a) some. B) Anyone. C) No one. D) Someone. Show Answer Correct Answer: B) Anyone. 7. What is relative income inequality? A) Having more income than average. B) Receiving less than 50% of average household income. C) Having no income. D) Paying more taxes. Show Answer Correct Answer: B) Receiving less than 50% of average household income. 8. 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 matrix that contains only zeros. C) A determinant is a scalar value that indicates the invertibility of a square matrix. D) A determinant is a function that maps matrices to real numbers. Show Answer Correct Answer: C) A determinant is a scalar value that indicates the invertibility of a square matrix. 9. What must be true in order to MULTIPLY two matrices? A) They must be square. B) The dimensions must be equal. C) The determinant can't equal 0. D) The #of columns of the 1st must equal the # of rows of the 2nd. Show Answer Correct Answer: D) The #of columns of the 1st must equal the # of rows of the 2nd. 10. Which algebraic property states that matrix addition is commutative? A) Inverse property. B) Associative property. C) Distributive property. D) Commutative property. Show Answer Correct Answer: D) Commutative property. 11. 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. 12. If A' =-A, then the matrix A is called ..... A) Square matrix. B) Skew-symmetric matrix. C) Symmetric matrix. D) Transpose of a matrix. Show Answer Correct Answer: B) Skew-symmetric matrix. 13. 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. 14. 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. 15. A young woman in Australia claims that she can now speak to dolphins after inventing a device that will translate what they say A) Proximity. B) Timeliness. C) Consequence or impact. D) Human interest. E) Prominence. Show Answer Correct Answer: D) Human interest. 16. What is the primary function of a determinants in a sentence? A) Companies Noun. B) Verb tense. C) Adverb modification. D) Conjunction usage. E) Pronoun replacement. Show Answer Correct Answer: A) Companies Noun. 17. I am very tired today, as I had ..... guests today. A) (a) many. B) Much. C) (c) little. D) A few. Show Answer Correct Answer: A) (a) many. 18. Which type of matrix has all its elements below the main diagonal equal to zero? A) Diagonal matrix. B) Identity matrix. C) Triangular matrix. D) Symmetric matrix. Show Answer Correct Answer: C) Triangular matrix. 19. She earns so ..... that she could not make a decent living. A) Little. B) (b) few. C) Much. D) Many. Show Answer Correct Answer: A) Little. 20. 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. 21. 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. 22. 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. 23. Products that can be used in a place of other products A) Substitutes. B) Complements. C) Income effect. D) Diminishing marginal utility. Show Answer Correct Answer: A) Substitutes. 24. 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. 25. The Law of Demand states that price ..... , quantity demanded decreases. A) Increases. B) Decreases. C) Stay the same. D) Doesn't change. Show Answer Correct Answer: A) Increases. ← PreviousNext →Related 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 7Class 12 Mathematics Chapter 4 Determinants Quiz 8Class 12 Mathematics Chapter 4 Determinants Quiz 9Class 12 Mathematics Chapter 4 Determinants Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books