Matrices Pt. 1

How do we label a matrix?

• Column x Row

• Row x Column

What are the dimensions of Matrix P?

• 3 x 4

• 4 x 3

• 3 x 3

• 2 x 4

Multiply

• 20     15    -10
  30     -5         0
• -20      15     -10
  30     -5          0
• 1        8       3
  11     4        5
• 20     -15     10
  -30         5        0  

Tags

CCSS.HSN.VM.C.8

Multiply

• 25
  25
  5
• -25
  25
  -5
• -10
  -10
  -6
• 10
  10
  6

Tags

CCSS.HSA.APR.A.1

What are the dimensions of this matrix?

• 2 x 3
• 3 x 2
• 6 x 1
• 1 x 6

Tags

CCSS.HSN.VM.C.6

CCSS.HSN.VM.C.8

What are the dimensions of this matrix?

• 3x1
• 1x3
• 3x3
• 1x1

Perform the indicated operation if possible.

• 
• 
• 
• 

Tags

CCSS.HSN.VM.C.7

Perform the indicated operation if possible.

• 
• 
• 
• Undefined

Tags

CCSS.HSN-VM.B.5A

CCSS.HSN-VM.B.5B

Perform the indicated operation if possible.

• 
• 
• 
• Undefined

Tags

CCSS.HSN-VM.B.5A

CCSS.HSN-VM.B.5B

What is the name of each entry of a matrix?

• Row

• Element

• Dimension

• Numbers