Q#4-WK#-1-Matrices 01

An n x n matrix consisting of 1’s on its main diagonal and 0’s elsewhere is called ____.

Satu matriks n X n mengandungi 1 pada pepenjuru utama dan 0 bagi unsur yang lain-lain ialah __________.

• Identity matrix

  Matriks Identiti

• Square matrix

  Matriks Segi empat sama

• Inverse matrix

  Matriks songsang

• Row matrix

  Matriks baris

Determine whether the given matrix are identity matrix. If it is not an identity matrix, give your reason.

Tentukan sama ada matriks yang diberi ialah matriks identiti. Jika bukan, berikan sebab anda.

• No, it is not a square matrix.

  Bukan, ia bukan matriks segi empat sama.

• No, not all element in the matrix equal to 1.

  Bukan, bukan semua unsur dalam matriks bernilai 1.

• No, not all element in the matrix equal to 0.

  Bukan, bukan semua unsur dalam matriks bernilai 0.

• Yes / Ya

Determine whether the given matrix are identity matrix. If it is not an identity matrix, give your reason.

Tentukan sama ada matriks yang diberi ialah matriks identiti. Jika bukan, berikan sebab anda.

• No, the elements along the main diagonal are not 0.

  Bukan, unsur-unsur pada pepenjuru utama bukan 0.

• No, the elements along the main diagonal are not 1.

  Bukan, unsur-unsur pada pepenjuru utama bukan 1.

• No, not all element equal to 1.

  Bukan, bukan semua unsur bernilai 1.

• Yes / Ya

Determine whether the given matrix are identity matrix. If it is not an identity matrix, give your reason.

Tentukan sama ada matriks yang diberi ialah matriks identiti. Jika bukan, berikan sebab anda.

• No, the elements along the main diagonal are not 0.

  Bukan, unsur-unsur pada pepenjuru utama bukan 0.

• No, the elements along the main diagonal are not 1.

  Bukan, unsur-unsur pada pepenjuru utama bukan 1.

• No, not all element equal to 1.

  Bukan, bukan semua unsur bernilai 1.

• Yes / Ya

Determine whether the given matrix are identity matrix. If it is not an identity matrix, give your reason.

Tentukan sama ada matriks yang diberi ialah matriks identiti. Jika bukan, berikan sebab anda.

• No, the elements along the main diagonal are not 0.

  Bukan, unsur-unsur pada pepenjuru utama bukan 0.

• No, the elements along the main diagonal are not 1.

  Bukan, unsur-unsur pada pepenjuru utama bukan 0.

• No, not all the element equal to 1.

  Bukan, bukan semua unsur bernilai 1.

• Yes / Ya

Identify

• singular matrix
• partial fraction
• coeffecient matrix
• inverse matrix

What is the determinant of this matrix?

• 5
• 25
• -25
• 1

Does the following have an inverse? 
⌈6  4⌉
⌊3  2⌋
*Inverse=
                 ¹∕detA × ⌈d  −b⌉                                      ⌊−c  a⌋

• Yes, 
• No. 

What is the inverse of this matrix?

• _{(1/25)  (-4/25)
  (3/25)  (13/25)}
• _{(1/5)  (-4/5)
  (3/5)  (13/5)}
• _{(6/25)  (-2/25)
  (2/25)  (9/25)}
• _{(1/150)  (-4/150)
  (3/150)  (13/150)}

Given  $A$ and  $B$  matrices $B\ is\ the\ inverse\ of\ A$  

What operation is True:

• $A\times B=Matriz\ Identidade$

• $A+B=Matriz\ Identidade$

• $B-A=Matriz\ Identidade$

• $B\div A=Matriz\ Identidade$