Algebra 2: Unit 2 Matrix Test

True or False, Matrix multiplication is communititive?

• True

• False

Tags

CCSS.HSN.VM.C.9

True or False, Matrix addition is communitive?

• True

• False

Tags

CCSS.HSN.VM.C.8

True or False, For Matrix addition the dimensions must be the same. 

• True

• False

Tags

CCSS.HSN.VM.C.8

Matrix A is a 5x3 and Matrix B is a 2x5. what are the dimensions of AB? Write your answer with no spaces. If the answer is not possible type not possible.

Tags

CCSS.HSN.VM.C.8

Matrix A is a 2x3 and Matrix B is a 3x7. what are the dimensions of AB? Write your answer with no spaces. If the answer is not possible type not possible.

Tags

CCSS.HSN.VM.C.8

If the determinant is 0, does the inverse exist?

• yes

• no

Tags

CCSS.HSA.REI.C.9

Add

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

Tags

CCSS.HSN.VM.C.8

What are the dimensions of this matrix?

• 2 x 3
• 3 x 2
• 6 x 1
• 1 x 6

Tags

CCSS.HSN.VM.C.6

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.HSN.VM.C.8

Multiply

• 1   2
  6   -8
• -3   -5
  -5   -11
• -2     8
  -6   -12
• 2  -3
  5   -2

Tags

CCSS.HSN.VM.C.8