Add Subtract Scalar Matrices

Add

• 11    8
  -4     2

• 3     2
  -6    -6

• -3    2
  -4    -6

• 10    8
  -6    2

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

Dimensions?

• a

• b

• c

• d

Subtract

• 3    -8
  0   -1

• 3   -4
  8  -13

• -3   8
  0    1

• 3   -8
  -8    1

Tags

CCSS.HSN.VM.C.8

• a

• b

• c

• d

Tags

CCSS.HSN.VM.C.8

Perform the operations if possible.

• A

• B

• C

• D

What is the value of the variable in the equation?

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Calculator Allowed

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Tags

CCSS.HSN.VM.C.10

What do m, n, p and q equal in this scalar matrix multiplication?

• m=8, n=9, p=-4, q=4 

• m=15, n = -45, p=20, q=-5

• m=20, n=-5, p=15, q=-45

• m=-5, n=20, p=-45, q=15

Tags

CCSS.HSN.VM.C.7

• A
• B
• C
• D

Tags

CCSS.HSN.VM.C.8