Matrices

Front

What are the dimensions of this matrix?

Back

3x1

Front

In Matrix R (pictured) what element is a₂₃?

Back

6

Front

How many columns are in a 5 x 4 matrix?

Back

4

Front

What must be true in order to ADD two matrices?

Back

The dimensions must be equal.

Front

Add

Back

11    8
-4     2

Front

Subtract

Back

-9
8
3
2

Front

Multiply
Options: 20     15    -10
30     -5         0, -20      15     -10
30     -5          0, 1        8       3
11     4        5, 20     -15     10
-30         5        0  

Back

-20      15     -10
30     -5          0

Front

Given matrices A & B:
A is a (4x33) matrix
B is a (33x1) matrix
 What are the dimensions of the product of A times B?

Back

4x1

Front

Find B*A using the graphing calculator.

Back

47 30
9 5

Front

Perform the indicated operation using the Graphing Calculator.

Back

7 -9 -6 20