Quiz 11: Determinants
Question 1
Find the determinant of the matrix A =
.
(Enter your answer into the answer box.)

Question 2
Find the determinant of the matrix A =
.
(Enter your answer into the answer box.)

Question 3
Let A =
. Which of the following statements is correct ?
Question 4
Evaluate
. (Enter your answer into the answer box.)
Question 5
Suppose that A is a 3 × 3 matrix and det (A) = -3. What is det (4A)?
Question 6
Evaluate det (A) if A =
.
(Enter your answer into the answer box.)
Question 7
Let A be a 3 × 3 matrix, and suppose that the matrix B is obtained from A by the following row operations:

Question 8
If A =
, what is det (7A)?
Question 9
Let A =
.
Which one of the following statements is true?
Question 10
Let A =
.
Find any values of λ such that det (A - λI) = 0.
right first
right
wrong