Tap every statement true of the identity matrix

Exercise and reference answers

Questions

1. Items

   1. Text

      Diagonal entries are all 1

      Matches the category

      Yes

   2. Text

      Off-diagonal entries are all 0

      Matches the category

      Yes

   3. Text

      It is a square matrix

      Matches the category

      Yes

   4. Text

      All its entries are 1

      Matches the category

      No

   5. Text

      It is the zero matrix

      Matches the category

      No

   Category

   True of the identity matrix I

Explanation