True or false on matrices

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   A matrix is a rectangular array.

2. Statement is true

   No

   Statement

   A row matrix has only one column.

3. Statement is true

   Yes

   Statement

   The identity has ones on the diagonal.

4. Statement is true

   No

   Statement

   Equal matrices may differ in order.

5. Statement is true

   Yes

   Statement

   A symmetric matrix equals its transpose.

6. Statement is true

   No

   Statement

   Skew symmetric diagonals can be non-zero.

Instructions

Decide whether each statement is true or false.

Explanation