2 1 0 7 A. ( 1 2 0 7 B. ( 2 3 1 7 C - Tutor-Homework.com

MODULE 5LESSON 3QUIZ1. Question. Which of the following matrices is equal to the matrix(2 10 7A. (1 20 7B. (2 31 7C. (2 10 7D. (5 23 10)))))Go to answer 12. Question. Which of the following is the augmented matrix for thesystemA. ⎛3x − y + 13z = 212x + 4y = 23x + 3y + 3z = 15⎜⎝3 −1 13 | 212 4 0 | 23 3 3 | 151⎞⎟⎠?

B. ⎛⎜⎝1 −4 3 | 53 2 0 | 23 2 1 | 10⎞⎟⎠C. ⎛⎜⎝1 −4 3 | 53 2 2 |3 2 1 | 10⎞⎟⎠D. ⎛⎜⎝1 −4 3 | 53 2 | 23 2 1 | 10⎞⎟⎠Go to answer 22

3. Question. To which of the following linear systems is the augmentedmatrixassociated?⎛⎜⎝2 −3 0 | 61 2 4 | 37 8 2 | 5⎞⎟⎠A.B.C.D.2x − 3y + z = 6x + 2y + 4z = 37x + 8y + z = 52x − 3y + z = 6x + 2y + 3z = 37x + 8y + z = 52x − 3y = 6x + 2y + 4z = 37x + 8y + z = 52x − 3y = 6x + 2y + 4z = 37x + 8y + 2z = 5Go to answer 34. Question. Which of the following is the dimension of the matrix3

⎛⎜⎝4 0 3 −2 5−3 2 2 2 20 3 7 11 11 −5 −2 1 11 −1 1 −1 10 0 0 0 00 0 0 0 0⎞?⎟⎠A. 5 × 5B. 7 × 5C. undefinedD. 5 × 7Go to answer 44

5. Question. Which of the following is the entry in the fourth row andthird column of the matrix⎛⎜⎝4 0 3 −2 5−3 2 2 2 20 3 7 11 11 −5 −2 1 11 −1 1 −1 10 0 0 0 00 0 0 0 0⎞?⎟⎠A. 11B. 1C. −1D. −2Go to answer 55

ANSWERS1. Answer to Question 1 is ”C”.Go back 12. Answer to Question 2 is ”A”.Go back 23. Answer to Question 3 is ”D”.Go back 34. Answer to Question 4 is ”B”.Go back 45. Answer to Question 5 is ”D”.Go back 56