Matrices Test

You can multiply a 2X3 matrix by which matrix?

• 2X2
• 2X12
• 3X12
• 2X3

Tags

CCSS.HSN.VM.C.8

Dimensions?

• a
• b
• c
• d

Dimensions?

• a
• b
• c
• d

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

What is the value of the determinant of the matrix?

• -26

• -14

• 26

• 14

Find the determinant of the matrix

• A
• B
• C
• D

Find the determinant of the matrix

• -7
• -17
• No Determinant
• 0

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

What is A^-1?

• 
• 
• 
• 

Tags

CCSS.HSA.REI.C.9

Solve the system of equations: 

• ( 4, 0, -2)
• ( -4, -2, 0)
• None of these
• ( -4, 0, -2)