Multiplying Matrices

You can multiply a 2X3 matrix by which matrix?

• 2X2
• 2X12
• 3X12
• 2X3

Find the product of the two matrices.

• undefined
• -3   16
  17   12
  8   -10
• 3   12 
  -15  -8
  -1   -3

Tags

CCSS.HSN.VM.C.8

Find the product of the two matrices.

• 1   2
  6   -8
• -3   -5
  -5   -11
• -2     8
  -6   -12
• 2  -3
  5   -2

find: B*A

• 47     30
  9     5
• 17     15
  42     35
• 10     25
  7     1
• not possible because rows do not match columns

Tags

CCSS.HSN.VM.C.8

These matrices are being multiplied. Determine the dimension/size of the new matrix. 

• Can't multiply them
• 4  x  2
• 3  x  3
• 4  x  3

Find the product of the matrices.

• A
• B
• C
• D

Can the operation be performed?

• Yes

• No

Tags

CCSS.HSN.VM.C.8

Can the operation be preformed?

• yes

• no

Tags

CCSS.HSN.VM.C.8

A 4 x 2 matrix Multiplied by a 2 x 5 matrix results in a

• 2 x 5 matrix

• 4 x 2 matrix

• 2 x 5 matrix

• 4 x 5 matrix

• 
• 
• 
• 

Tags

CCSS.HSA.APR.A.1