Multiply Matrices

You can multiply a 2X3 matrix by which matrix?

• 2X2

• 2X12

• 3X12

• 2X3

You can multiply a 7X3 matrix by which matrix?

• 2X2

• 7X12

• 3X5

• 7X7

You can multiply a 1X4 matrix by which matrix?

• 1X1

• 4X3

• 1X4

• 8X8

Find the product.

• undefined

• -3   16
  17   12
  8   -10

• 3   12 
  -15  -8
  -1   -3

Perform the scalar multiplication. 

​ (a)   ​ (b)  

​ (c)   ​ (d)  

• -1

• 3

• 9

• -16

• -2

• 36

• 6

• -64

• -4

• -12

Simplify

• A

• B

• C

• D

Multiply

• A

• B

• C

• D

Multiply

• A

• B

• C

• D

Simplify

• A

• B

• C

• D

Multiply

• A

• B

• C

• D