Add/Sub Matrices

Find B-A

• -3     1
  7     -1
• 1     0
  1     -4
• 4       0
  -6     0
• not possible because rows do not match columns

Tags

CCSS.HSN.VM.C.8

In Matrix R (pictured) what element is r₂₃?

• 8
• 9.01
• 6
• 1

What always comes first in reference to matrix order?

• Row
• Column
• Element
• Dimension

What is the name of each entry of a matrix?

• Row
• Element
• Dimension
• Rectangle

How many rows are in a 7 x 3 matrix?

• 7
• 3
• 21
• 10

Tags

CCSS.3.OA.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

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 is the entry at r₃₁?

• 3

• 1

• 4

• 7

What is the address of 8?

• R₂₃

• R₃₂

• r₂₃

• r₃₂

Is this possible?

• Yes
• No

Tags

CCSS.HSN.VM.C.8