Matrices Review Quiz #1

Find A-B

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

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.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

Can the operation be performed?

• Yes
• No
• Sometimes
• only Mrs. Jordan knows

Tags

CCSS.HSN.VM.C.8

What are the dimensions of this matrix?

• 3x1
• 1x3
• 3x3
• 1x1

How many rows are in a 7 x 3 matrix?

• 7
• 3
• 21
• 10

Tags

CCSS.3.OA.A.3

Find the product.

• undefined
• -3   16
  17   12
  8   -10
• 3   12 
  -15  -8
  -1   -3

Tags

CCSS.HSN.VM.C.8

find: B*A

• 47     30
  9     5
• 17     15
  42     35
• 10     25
  7     1
• not possible because rows do not match columns

Tags

CCSS.HSN.VM.C.8

Determine whether each matrix product is defined.  If so, what are the dimensions of the product.
A_2x3  B_2x5

• no
• yes, 2 x 5
• yes , 3 x 5
• yes , 2 x 3

Tags

CCSS.HSA.APR.A.1

What do m, n, p and q equal in this scalar matrix multiplication?

• m=8, n=9, p=-4, q=4 
• m=15, n = -45, p=20, q=-5
• m=20, n=-5, p=15, q=-45
• m=-5, n=20, p=-45, q=15

Tags

CCSS.HSN.VM.C.7

Find the inverse of the matrix

• A
• B
• C
• D

Tags

CCSS.HSA.REI.C.9