ACT Prep - Matrices TI84
Name: ______________________________________________________
Date: _____________________________________ Period:___________
Use the following matrices for all problems:
2
6 2 3
5 2
0
7
0
3 4
2 7 5
1
A
B
C 2 1 4 D 3 4 E
F 4 7
3 1
0 4 1
3 1 3
8 8 3
9
5
4
1
Perform the indicated operation. If it is not possible, write ∅:
1. –4E
2. B + D
3. B – E
4. B + E
5. ½C
6. ED
7. F – D
8. 2D – 3F
9. B2
10. A2
11. AB
12. AD
13. det A
14. det B
15. det C
16. inv A
0
