Adding and Subtracting Matrices

Add

• 11    8
  -4     2

• 3     2
  -6    -6

Tags

CCSS.HSN.VM.C.8

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Tags

CCSS.HSN.VM.C.8

Find B-A

• -3     1
  7     -1

• 1     0
  1     -4

• 4       0
  -6     1

• not possible because rows do not match columns

Tags

CCSS.HSN.VM.C.8

Find X - V

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• Does Not Exist

Tags

CCSS.HSN.VM.C.8

• undefined

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Tags

CCSS.HSN.VM.C.8

The matrix A - B is

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Tags

CCSS.HSN.VM.C.8

The answer is

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Tags

CCSS.HSN.VM.C.8

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