Matrix Multiplication + review

Dimensions?

• a
• b
• c
• d

Identify the dimensions.

• 0 x 4
• 4 x 1
• 4 x 0
• 1 x 4

Tags

CCSS.HSG.GMD.A.3

What must be true in order to ADD two matrices?

• They must be square.
• The dimensions must be equal.
• The determinant can't equal 0.
• The column of the 1st must equal the row of the 2nd.

Tags

CCSS.HSN.VM.C.8

Can the operation be performed?

• Yes

• No

Tags

CCSS.HSN.VM.C.8

Find A+B

• 8     10
  8      1 
• 12     25
  7     1
• 10     30
  0     1
• can't add two together because the rows dont match columns

Add.

• No Sum Exists

• 
• 
• 

Tags

CCSS.HSN.VM.C.8

Perform the scalar multiplication.

• 
• 
• 
• 

Tags

CCSS.HSN.VM.B.5

CCSS.HSN.VM.C.11

CCSS.HSN.VM.C.7

Perform scalar multiplication on the matrix

• A
• B
• C
• D

Tags

CCSS.HSN.VM.C.7

CCSS.HSN.VM.C.8

Which matrix product produces the given system?

• 
• 
• 
• 

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.C.8

CCSS.HSN.VM.C.8

What must be true in order to MULTIPLY two matrices?

• They must be square.
• The dimensions must be equal.
• The determinant can't equal 0.
• The #of columns of the 1st must equal the # of rows of the 2nd.

Tags

CCSS.HSN.VM.C.8