1. Section 3.4 - Matrix Algebra with Graphing Calculator

2. Vocabulary First
Display on
Home Screen
Home Screen
Operations to
be done with a
matrix
Enter the
values of a
matrix here.

3. [A]
[B]
Type in Dim of A
(2 Enter 3 Enter)
Input values by
ROW….Use ENTER
Button to move to
Next element

4. [A]
[B]
2nd Matrix <-
Then down arrow to [B] then ENTER
QUIT….you’re ready to compute

5. To compute, we need NAMES of matrices on Home Screen

6. [A]
[B]

8. DNE

9. Enter the following matrices into your calculator:

10. Using your calculator, compute each of the following:
2nd Matrix -> 1
2nd Matrix 1

11. Right Arrow to see the rest

12. Right Arrow to see the rest

13. the matrix marked by the arrow
Clearing the Matrices on the Calculator
Now press DEL to delete
the matrix marked by the arrow

14. CALCULATOR REQUIRED
Enter the following matrices into your calculator:

15. CALCULATOR REQUIRED
Using a calculator, solve the system:
is already entered into your calculator
needs to be entered into your calculator [B]
Compute det A
Compute

16. CALCULATOR REQUIRED
Using a calculator, solve the system:
is already entered into your calculator
needs to be entered into your calculator [B]
Compute det C
Compute

17. CALCULATOR REQUIRED
Using a calculator, solve the system:
is already entered into your calculator
needs to be entered into your calculator [B]
Compute det D
Since det D = 0,
There is
NO UNIQUE SOLUTION

18. CALCULATOR REQUIRED
Using a calculator, solve the system:
is already entered into your calculator
needs to be entered into your calculator [B]
Compute

19. CALCULATOR REQUIRED
Using a calculator, solve the system:
is already entered into your calculator
needs to be entered into your calculator [B]
Compute

20. CALCULATOR REQUIRED
Using a calculator, solve the system:
is already entered into your calculator
needs to be entered into your calculator [B]
Compute