Review of Matrices

Calculate the determinant

• 0

• -15

• -70

• 10

Calculate the determinant

• 13

• -3

• -5

• 13

Add

• 11    8
  -4     2

• 3     2
  -6    -6

• -3    2
  -4    -6

• 10    8
  -6    2

Tags

CCSS.HSN.VM.C.8

Multiply

• 1   2
  6   -8

• -3   -5
  -5   -11

• -2     8
  -6   -12

• 2  -3
  5   -2

Tags

CCSS.HSN.VM.C.8

Dimensions?

• a

• b

• c

• d

Find A−B

• -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

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

• 1   3
  9   16

• 1   3
  9   -16

• -1    3
  9   -16

• Not Possible

Tags

CCSS.HSN.VM.C.7

• a

• b

• c

• d

Can the operation be performed?

• Yes

• No

• Sometimes

• only your teacher knows

Tags

CCSS.HSN.VM.C.8

Find the determinant of the matrix

• A

• B

• C

• D