Matrix Basics

What are the dimensions of matrix B?

• 2 x 3

• 3 x 2

What are the dimensions of matrix F?

• 1 x 3

• 3 x 1

Tags

CCSS.HSN.VM.C.6

What are the dimensions of matrix D?

• 1 x 3

• 3 x 1

Tags

CCSS.HSN.VM.C.11

What many elements are in matrix C?

• 2

• 4

Tags

CCSS.HSN.VM.C.6

What number is located at E_1,2?

• -4

• 1

What number is located at A_2,2?

• -1

• 2

• 5

• -3

What number is located at D_2,1?

• 6

• -4

• 2

How many of the matrices above are rectangular but NOT square?

• 1

• 2

• 4

• 6

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

Find B-A

• -3     1
  7     -1
• 1     0
  1     -4
• 4       0
  -6     0
• not possible because rows do not match columns

Tags

CCSS.HSN.VM.C.8