Extra Credit - Matrices Test

What is the determinant of the matrix?

• -31

• -29

• -20

• 31

• -24

Tags

CCSS.HSN.VM.C.12

How many columns are in a 5 x 4 matrix?

• 5
• 4
• 20
• 9

Tags

CCSS.HSN.VM.C.6

Which of the following matrices could be added with the given dimensions?

• 2x2 and 3x2

• 3x2 and 3x2

• 3x3 and 3x3

• 2x1 and 1x3

Dimensions?

• a
• b
• c
• d

Add

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

Tags

CCSS.HSN.VM.C.8

Can the operation be performed?

• Yes
• No
• Sometimes
• only Mrs. Jordan knows

Tags

CCSS.HSN.VM.C.8

Multiply

• 25
  25
  5
• -25
  25
  -5
• -10
  -10
  -6
• 10
  10
  6

Tags

CCSS.HSA.APR.A.1

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

Subtract

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

Tags

CCSS.HSN.VM.B.4

CCSS.HSN.VM.C.8

Find the inverse of the matrix

• A
• B
• C
• D

Tags

CCSS.HSA.REI.C.9