30 Questions
| Attempts: 1501

Questions and Answers

- 1.
**What is the determinant for the above matrix?** - 2.
**What is the determinant for the above matrix?** - 3.The order for seven matrices are described below.A is a 2x2 matrix. D is a 3x2 matrix. K is a 5x2 matrix. L is a 4x3 matrix.M is a 5x5 matrix. P is a 4x1 matrix. Q is a 1x5 matrixUse this information to answer the true/false statements below.
- 4.
**I have a square matrix A with a determinant that is not zero.**- A.
True

- B.
False

- 5.
**What is the determinant for the above matrix?** - 6.
**I have a square matrix A with a determinant that is not zero.**- A.
True

- B.
False

- 7.
**I have a square matrix A with a determinant that is not zero. I is the identity matrix.**- A.
True

- B.
False

- 8.
**I have a square matrix A with a determinant that is not zero. I is the identity matrix.**- A.
True

- B.
False

- 9.
**I have a 2x2 matrix A with a determinant that is not zero. B is 1x2 matrix. I is the identity matrix.**- A.
True

- B.
False

- 10.
**I have a 2x2 matrix A with a determinant that is not zero. B is 1x2 matrix. I is the identity matrix.**- A.
True

- B.
False

- 11.
**The determinant for the above matrix is zero. What is the value of x?** - 12.
**I have a 2x2 matrix A with a determinant that is not zero. B is 1x2 matrix. I is the identity matrix.**- A.
True

- B.
False

- 13.If we call the matrix above 'A', does the inverse of A exist?
- A.
Yes

- B.
No

- 14.
**The determinant for the above matrix is 15. What is the value of x?** - 15.The order for seven matrices are described below.A is a 2x2 matrix. D is a 3x2 matrix. K is a 5x2 matrix. L is a 4x3 matrix.M is a 5x5 matrix. P is a 4x1 matrix. Q is a 1x5 matrixUse this information to answer the true/false statements below.
- 16.The order for seven matrices are described below.A is a 2x2 matrix. D is a 3x2 matrix. K is a 5x2 matrix. L is a 4x3 matrix.M is a 5x5 matrix. P is a 4x1 matrix. Q is a 1x5 matrixUse this information to answer the true/false statements below.
- 17.
- 18.
**The determinant for the above matrix is -15. What is the value of x?** - 19.If we call the matrix above 'A', does the inverse of A exist?
- A.
Yes

- B.
No

- 20.
**Select all the statements which are true below**- A.
Only square matrices have an inverse

- B.
All square matrices have an inverse

- C.
All Matrices with a determinant that is not zero have an inverse

- D.
Some Matrices with a negative determinant have no inverse

- E.
All Matrices with a determinant of zero have no inverse

- F.
All matrices with a determinant of zero are inconsistent

- G.
All Matrices with a determinant of zero have an infinite number of solutions

- 21.
**Matrix A and Matrix D are equal matrices**- A.
True

- B.
False

- 22.The determinant for the matrix above is 44. The missing number is a value between 1 and 5 inclusive. What is the missing value
- 23.
**P is a row matrix**.- A.
True

- B.
False

- 24.
**AK is undefined, but KA is defined.**- A.
True

- B.
False

- 25.The determinant for the matrix above is 26. The missing number is a value between 0 and 5 inclusive. What is the missing value?

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