Matrices
a month ago
mr_taha
Save
Edit
Host a game
Live GameLive
Homework
Solo Practice
Practice
20 QuestionsShow answers
  • Question 1
    30 seconds
    Q.
    answer choices

    2

    7

    4

    -3

  • Question 2
    30 seconds
    Q.
    answer choices

    -5

    5

    0

    2

  • Question 3
    30 seconds
    Q.
    answer choices

    2x3

    3x2

    3x4

    4x3

  • Question 4
    30 seconds
    Q.

    What is a23

    answer choices

    14

    4

    1

    3

  • Question 5
    30 seconds
    Q.

    Which sums can NOT be made from the following matrices ?

    answer choices

    A+A

    A+C

    B+D

    C+C

  • Question 6
    30 seconds
    Q.
    answer choices
  • Question 7
    30 seconds
    Q.
    answer choices
  • Question 8
    30 seconds
    Q.

    Which of the following products can NOT be made from these matrices ?

    answer choices

    AB

    BA

    BC

    BD

  • Question 9
    30 seconds
    Q.

    If A is a 2 × 3 matrix, and B is a 3 × 4 matrix, how many columns does AB have?

    answer choices

    2

    3

    4

    AB is not defined

  • Question 10
    30 seconds
    Q.

    BA=

    answer choices

    Undefined

  • Question 11
    30 seconds
    Q.

    What is the dimension of this matrix?

    answer choices

    2 x 3

    3 x 2

    6 x 1

    1 x 6

  • Question 12
    30 seconds
    Q.

    What comes first in the dimension?

    answer choices

    Row

    Column

  • Question 13
    30 seconds
    Q. What must be true in order to ADD two matrices?
    answer choices
    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.
  • Question 14
    30 seconds
    Q.

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

    answer choices

    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

  • Question 15
    30 seconds
    Q.
    answer choices
  • Question 16
    30 seconds
    Q.
    answer choices

    undefined/not possible

  • Question 17
    30 seconds
    Q.
    answer choices

    No solution

  • Question 18
    30 seconds
    Q.

    Matrices can be multiplied only...

    answer choices

    if the row of the first matrix is equal to the column of the second matrix.

    if the column of the first matrix is equal to the column of the second matrix.

    if the column of the first matrix is equal to the row of the second matrix.

    if the row of the first matrix is equal to the row of the second matrix.

  • Question 19
    30 seconds
    Q.

    What would be the dimension of the matrix product AB?

    If A1X4 and B4X7

    answer choices

    1X7

    4X4

    4X7

    7X1

  • Question 20
    30 seconds
    Q.

    The matrix A - B is

    answer choices
Report Quiz
Join a game