Adding Matrices
Subtracting Matrices
Properties of Matrices
Scalar Multiplication
Matrix times Matrix Multiplication
100

Simplify. Write "undefined" for expressions that are undefined.



100


3 x 2:

4, -3

0, 1

-2, 10

100

True or False:

The dimensions of a matrix are given by their columns x rows. 

False

100



100

Simplify. Write "undefined" for expressions that are undefined.



200

Simplify. Write "undefined" for expressions that are undefined.



200


Vertical: 6    4       8     -3

200
What are the dimensions of the matrix [7]?

1 x 1

200



200

Simplify. Write "undefined" for expressions that are undefined.



300

Simplify. Write "undefined" for expressions that are undefined.



[7     4     6]

300



300

True or False:

Matrices can be added as long as the number of columns in the first matrix is equal to the number of rows in the second matrix.

False. 

300



300

Simplify. Write "undefined" for expressions that are undefined.


Undefined.

400

Simplify. Write "undefined" for expressions that are undefined.

Undefined.

400

Simplify.


[29     -1      16      -36]

400

True or False:

Matrices can be multiplied as long as the number of rows in the first matrix is equal to the number of rows in the second matrix.

False

400

-4x[ 2    3y     7z]

[-8x  -12xy   -28xz]


400

Simplify. Write "undefined" for expressions that are undefined.



500

Simplify. Write "undefined" for expressions that are undefined.




500




500

What will be the dimensions of the product matrix when a 3 x 2 and a 2 x 2 matrix are multiplied?

3 x 2

500



500

Write an example of a matrix multiplication that is undefined.


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