MULTIPLYING MATRICES
9th - 12th grade
1828 times
Mathematics
65%average accuracy
2 years ago
hartmam
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19 QuestionsShow answers
  • Question 1
    900 seconds
    Q. Name the order of this matrix.
    answer choices
    3x1
    1x3
    3
    1
  • Question 2
    900 seconds
    Q. You can multiply a 2X3 matrix by which matrix?
    answer choices
    2X2
    2X12
    3X12
    2X3
  • Question 3
    900 seconds
    Q. Find the product of the two matrices.
    answer choices
    undefined
    -3   16
    17   12
    8   -10
    3   12 
    -15  -8
    -1   -3
  • Question 4
    900 seconds
    Q. How many columns are in a 5 x 4 matrix?
    answer choices
    5
    4
    20
    9
  • Question 5
    900 seconds
    Q. In Matrix R (pictured) what element is a23?
    answer choices
    8
    9.01
    6
    1
  • Question 6
    900 seconds
    Q. Name the order of this matrix.
    answer choices
    6x2
    2x6
    12
    36
  • Question 7
    900 seconds
    Q. Find the product of the two matrices.
    answer choices
    1   2
    6   -8
    -3   -5
    -5   -11
    -2     8
    -6   -12
    2  -3
    5   -2
  • Question 8
    900 seconds
    Q. You can multiply a 6X2 matrix by which matrix?
    answer choices
    6X2
    2X12
    3X12
    6x3
  • Question 9
    300 seconds
    Q. find: B*A
    answer choices
    47     30
    9     5
    17     15
    42     35
    10     25
    7     1
    not possible because rows do not match columns
  • Question 10
    900 seconds
    Q. These matrices are being multiplied. Determine the dimension/size of the new matrix. 
    answer choices
    Can't multiply them
    4  x  2
    3  x  3
    4  x  3
  • Question 11
    900 seconds
    Q. Find the product of the matrices.
    answer choices
    A
    B
    C
    D
  • Question 12
    900 seconds
    Q. Find the product of the matrices.
    answer choices
    A
    B
    C
    D
  • Question 13
    900 seconds
    Q.

    What is the name of each entry of a matrix?

    answer choices

    Row

    Element

    Dimension

    Numbers

  • Question 14
    900 seconds
    Q. Perform scalar multiplication on the matrix
    answer choices
    A
    B
    C
    D
  • Question 15
    900 seconds
    Q. Can the operation be performed?
    answer choices
    Yes
    No
    tomato
    Maybe
  • Question 16
    900 seconds
    Q. Find the product of the two matrices.
    answer choices
    17   12
    25   18
    8   9
    12   6
    6   6
    7   5
    12   10
    10   12
  • Question 17
    900 seconds
    Q. Given matrices A & B: 
    A is a (4x33) matrix
    B is a (33x1) matrix
     What are the dimensions of the product of A times B?
    answer choices
    4x1
    4x33
    33x1
    Matrix does not exist
  • Question 18
    900 seconds
    Q. After completing multiplying the two matrices together, what is the sum of highest value and lowest value inside of the resulting matrix?
    answer choices
    14
    13
    12
    11
  • Question 19
    900 seconds
    Q. matrix A = 2 x 7,
    matrix B = 7 x 2
     Determine which of the following operations exist.  
    answer choices
    A + B
    AB
    BA
    ABt
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