3.Matrix Operations Quiz

What is the order of the matrix A = [123 32]?

• 3 x 2

• 3 x 3

• 2 x 3

• 2 x 2

Which type of matrix has only one column?

• Square Matrix

• Row Matrix

• Diagonal Matrix

• Column Matrix

What is a matrix called if the number of rows is equal to the number of columns?

• Square Matrix

• Scalar Matrix

• Zero Matrix

• Diagonal Matrix

What is the property of matrix addition where A + B = B + A?

• Associative Law

• The existence of additive inverse

• Existence of additive identity

• Commutative Law

What is the property of matrix multiplication where AB = BA?

• Existence of additive identity

• The existence of multiplicative identity

• Associative Law

• Commutative Law

What is the property of transpose of the matrices where (A + B)' = A' + B'?

• (A′)′ = A

• (kA)′ = kA′

• (A + B)′ = A′ + B′

• (A B)′ = B′ A′

When is a matrix symmetric?

• A + B = B + A

• A′ = A

• AB = BA

• A′ = –A

When is a matrix skew symmetric?

• AB = BA

• A + B = B + A

• A′ = –A

• A′ = A

What is the property of matrix addition where A + O = O + A = A?

• Commutative Law

• The existence of additive inverse

• Existence of additive identity

• Associative Law

What is the property of matrix multiplication where IA = AI = A?

• Existence of additive identity

• Commutative Law

• Associative Law

• The existence of multiplicative identity