Lesson Worksheet: Types of Matrices Mathematics

In this worksheet, we will practice identifying special types of matrices like square, row, column, identity, zero, diagonal, lower triangular, and upper triangular matrices.

Question 1

Determine the type of the matrix 8271.

  • Aunit matrix
  • Bcolumn matrix
  • Crow matrix
  • Dsquare matrix

Question 2

Determine which of the following matrices is a column matrix.

  • A2235
  • B223
  • C2005
  • D0000
  • E[223]

Question 3

If the matrix 𝐴=[550], which the following is true?

  • AThe matrix 𝐴 is a unit matrix.
  • BThe matrix 𝐴 is a diagonal matrix.
  • CThe matrix 𝐴 is a square matrix.
  • DThe matrix 𝐴 is a column matrix.
  • EThe matrix 𝐴 is a row matrix.

Question 4

If the matrix 𝐴=100680653, which of the following is true?

  • AThe matrix 𝐴 is an identity matrix.
  • BThe matrix 𝐴 is a lower triangular matrix.
  • CThe matrix 𝐴 is an upper triangular matrix.
  • DThe matrix 𝐴 is a diagonal matrix.
  • EThe matrix 𝐴 is a zero matrix.

Question 5

Determine which of the following matrices is a lower triangular matrix.

  • A100570956
  • B159075006
  • C059075016
  • D159005106
  • E109505906

Question 6

If the matrix 𝐴=100080003, which of the following is true?

  • AThe matrix 𝐴 is a column matrix.
  • BThe matrix 𝐴 is a diagonal matrix.
  • CThe matrix 𝐴 is a zero matrix.
  • DThe matrix 𝐴 is a row matrix.
  • EThe matrix 𝐴 is an identity matrix.

Question 7

Determine the type of the matrix 57000720000.

  • ARow matrix
  • BIdentity matrix
  • CDiagonal matrix
  • DColumn matrix

Question 8

If the matrix 𝐴=1001, which of the following is true?

  • AThe matrix 𝐴 is a column matrix.
  • BThe matrix 𝐴 is a row matrix.
  • CThe matrix 𝐴 is an identity matrix.
  • DThe matrix 𝐴 is a zero matrix.

Question 9

True or False: A diagonal matrix does not have to be a square matrix.

  • AFalse
  • BTrue

Question 10

True or False: A zero matrix is a diagonal matrix whose diagonal elements are all zeros.

  • ATrue
  • BFalse

This lesson includes 28 additional questions and 150 additional question variations for subscribers.

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