Matrix Operations

How many rows are in a 7 x 3 matrix?

• 7
• 3
• 21
• 10

Tags

CCSS.3.OA.A.3

What is the value of element a₂₃?

• 2
• -1
• 6
• 1

Tags

CCSS.HSA.REI.C.8

Element G₂₂ is

• 1

• 2

• 3

• 4

Tags

CCSS.HSA.REI.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

Subtract

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

Tags

CCSS.HSN.VM.C.8

Multiply.

• 20 15 -10

  30 -5 0

• -20 15 -10

  30 -5 0

• 1 8 3

  11 4 5

• 20 -15 10

  -30 5 0

Tags

CCSS.HSA.APR.A.1

You can multiply a 2 X 3 matrix by which matrix?

• 2 X 2

• 2 X 12

• 3 X 12

• 2 X 3

Tags

CCSS.HSN.VM.C.8

When a 3 x 6 matrix is multiplied by a 6 x 5 matrix, what will the dimensions of the product be?

• 6 x 6

• 3 x 6

• 3 x 5

• 5 x 6

Tags

CCSS.HSN.VM.C.8

Find the determinant of the matrix

• A
• B
• C
• D

What is A^-1?

• 
• 
• 
• 

Tags

CCSS.HSA.REI.C.9