Have an account?
Skip to Content
Build your own quiz
20 questions
Show Answers
See Preview
- 1. Multiple Choice
2
7
4
-3
- 2. Multiple Choice
-5
5
0
2
- 3. Multiple Choice
2x3
3x2
3x4
4x3
- 4. Multiple Choice
What is a23
14
4
1
3
- 5. Multiple Choice
Which sums can NOT be made from the following matrices ?
A+A
A+C
B+D
C+C
- 6. Multiple Choice
- 7. Multiple Choice
- 8. Multiple Choice
Which of the following products can NOT be made from these matrices ?
AB
BA
BC
BD
- 9. Multiple Choice
If A is a 2 × 3 matrix, and B is a 3 × 4 matrix, how many columns does AB have?
2
3
4
AB is not defined
- 10. Multiple Choice
BA=
Undefined
- 11. Multiple Choice
What is the dimension of this matrix?
2 x 3
3 x 2
6 x 1
1 x 6
- 12. Multiple Choice
What comes first in the dimension?
Row
Column
- 13. Multiple ChoiceWhat must be true in order to ADD two matrices?They must be square.The dimensions must be equal.The determinant can't equal 0.The column of the 1st must equal the row of the 2nd.
- 14. Multiple Choice
What do w, x, y and z equal in this matrix equation?
w = 13, x = 4, y = 7, z = 23
w = 13, x = -4, y = 11, z = 23
w = 13, x = 4, y = 11, z = 23
w = 13, x = 4, y = 11, z = 17
- 15. Multiple Choice
- 16. Multiple Choice
undefined/not possible
- 17. Multiple Choice
No solution
- 18. Multiple Choice
Matrices can be multiplied only...
if the row of the first matrix is equal to the column of the second matrix.
if the column of the first matrix is equal to the column of the second matrix.
if the column of the first matrix is equal to the row of the second matrix.
if the row of the first matrix is equal to the row of the second matrix.
- 19. Multiple Choice
What would be the dimension of the matrix product AB?
If A1X4 and B4X7
1X7
4X4
4X7
7X1
- 20. Multiple Choice
The matrix A - B is
- Answer choicesTagsAnswer choicesTags