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