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Calculator Activity
MATRIX CALCULATIONS
OBJECTIVE:
To perform calculations, take inverses, augment, and calculate
the determinant of matrices.
To set your calculator to Matrix mode press
.
For the following examples there will be two matrices: A and B
4
3
2
1
A
and
8
7
6
5
B
.
To enter matrix A press
. Then press
. Then press
.
To enter matrix B press
. Then press
. Then press
.
Now matrix A and B are stored.
1.
Evaluate
AxB
STEP 1: To enter A x Press
.
STEP 2: To enter B press
.
STEP 3: To solve press
.
2.
What is the inverse of A?
STEP 1: To enter A press
.
STEP 2: To take the inverse press
.
STEP 3: To solve press
.
3.
Augment A with B.
STEP 1: To augment press
.
STEP 2: To enter
A press
.
STEP 3: To enter B press
.
STEP 4: Press
to see the augmented matrix.
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