AA Unit 16B Matrices

What comes first in the order?

• Row
• Column

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

Multiply

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

Tags

CCSS.HSA.APR.A.1

Can the operation be performed?

• Yes
• No
• Sometimes
• only Dr. Strong knows

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.

In Matrix R (pictured) what element is in the second row, third column?

• 8
• 9.01
• 6
• 1

Tags

CCSS.HSA.REI.C.8

What do w, x, y and z equal in this matrix subtraction?

• w = 13, x = 4, y = 7, z = 23
• w = 13, x = -4, y = 11, z = 23
• w = 13, x = 4, y = 11, z = 23
• w = 13, x = 4, y = 11, z = 17

Tags

CCSS.HSA.CED.A.3

find: B*A

• 47 30

  9 5

• 17 15

  42 35

• 10 25

  7 1

• not possible because rows do not match columns

You can multiply a 2X3 matrix by which matrix?

• 2X2
• 2X12
• 3X12
• 2X3

• 
• 
• 
• 

Tags

CCSS.HSN.VM.C.7

BA=

• Undefined

• 
• 
• 

Tags

CCSS.HSN.VM.C.8