Intro Matrices

Perform the operation if possible.

• A

• B

• C

• D

Find the product of the matrices.

• A

• B

• C

• D

• A
• B
• C
• D

How many columns are in a 5 x 4 matrix?

• 5

• 4

• 20

• 9

Perform the operation if possible.

• A

• B

• C

• D

Perform the operation if possible.

• A

• B

• C

• D

Perform the operations if possible.

• A

• B

• C

• D

What do w, x, y and z equal in this matrix subtraction?

• w = 13, x = 4, y = 7, z = 23

• w = 13, x = -4, y = 11, z = 23

• w = 13, x = 4, y = 11, z = 23

• w = 13, x = 4, y = 11, z = 17

What is a Matrix?

• An equation of over 5 numbers or symbols 

• A rectangular arrangement of numbers

• A method of finding the n^th value of a series

• A complicated number system

Which sums can NOT be made from the following matrices ?

• A+A

• A+C

• B+D

• C+C