The portal has been deactivated. Please contact your portal admin.

Lesson Worksheet: Orthogonal Matrices Mathematics

In this worksheet, we will practice determining whether a matrix is orthogonal and finding its inverse if it is.

Q1:

Is the matrix 𝐴=13122212221 orthogonal?

  • ANo
  • BYes

Q2:

Is the given matrix orthogonal? 𝐴=𝜃𝜃𝜃𝜃cossinsincos

  • AYes
  • BNo

Q3:

Is the matrix 𝐴=122212221 orthogonal?

  • ANo
  • BYes

Q4:

Is the matrix 𝐴=𝜃𝜃0𝜃𝜃0001cossinsincos orthogonal?

  • AYes
  • BNo

Q5:

Determine whether the following matrix is orthogonal: 𝐴=32121232.

  • A𝐴 is an orthogonal matrix.
  • B𝐴 is not an orthogonal matrix.

Q6:

Determine whether the following matrix is orthogonal: 𝐴=32121232.

  • AThe matrix is orthogonal.
  • BThe matrix is not orthogonal.

Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.