Determinant rules Quiz
Name: ______________________ Date: __________ Score: ____ / 10
10 questions. Calculator allowed. Show your working. steplyclass.com/linear-algebra/determinant-rules/quiz/
1
Det by row operations [2, 1, 5; 0, 3, 4; 0, 0, −1]Answer: ____________________
2
Det A = 3, det B = −2, find det(AB)Answer: ____________________
3
Det A = 6, find det(AT)Answer: ____________________
4
Det A = 2, A is 2 × 2, find det(3A)Answer: ____________________
5
Det by row operations [1, 2, 3; 0, 1, 4; 2, 5, 9]Answer: ____________________
6
Det by row operations [1, 2; 3, 4]Answer: ____________________
7
Det by row operations [2, 4, 2; 1, 3, 4; 0, 1, 5]Answer: ____________________
8
Det by row operations [3, 6, 3; 1, 4, 2; 2, 6, 7]Answer: ____________________
9
Det by row operations [1, 2, 3; 2, 4, 7; 3, 5, 8]Answer: ____________________
10
Det A = −2, A is 3 × 3, find det(−A)Answer: ____________________
Answer key
- D = −6
- det(AB) = −6
- det(AT) = 6
- det(3A) = 18
- D = −1
- D = −2
- D = 4
- D = 24
- D = 1
- det(−A) = 2
Every answer solved step by step: steplyclass.com/linear-algebra/determinant-rules/quiz/answers/