Matrices Operations

Add

• 11    8
  -4     2
• 3     2
  -6    -6
• -3    2
  -4    -6
• 10    8
  -6    2

Tags

CCSS.HSN.VM.C.8

Subtract

• 3    -8
  0   -1
• 3   -4
  8  -13
• -3   8
  0    1
• 3   -8
  -8    1

Tags

CCSS.HSN.VM.C.8

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

What are the dimensions of this matrix?

• 2 x 3
• 3 x 2
• 6 x 1
• 1 x 6

In Matrix R (pictured) what element is in the second row, third column?

• 8
• 9.01
• 6
• 1

What are the dimensions (order) of this matrix?

Find B-2A

​ (a)   ​ (b)  

​ (c)   ​ (d)  

​

• 2
• -5
• -13
• 1
• 4
• -1
• 0
• -6
• -10
• -4

Can the operation be performed?

• Yes

• No

Tags

CCSS.HSN.VM.C.8

Perform the indicated operation.  If it’s not possible, select Not Possible. 

• 7
  -7
  -6
  20
• 7 
  -9
  -6
  20
• Not Possible
• 7
  -9
  2
  20

Tags

CCSS.HSN.VM.C.8

What comes first in the order?

• Row
• Column

Tags

CCSS.4.NBT.B.5