# Quiz Chapter 01: Introduction to Matrix Algebra

 MULTIPLE CHOICE TEST INTRODUCTION

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1. For an $n \times n$ upper triangle matrix $\left[ A \right]$,

2. Which one of these square matrices is strictly diagonally dominant?

3. The order of the following matrix is

• $\begin{bmatrix} 4&-6&-7&2 \\ 3&2&-5&6 \\ \end{bmatrix}$

4. To make the following two matrices equal

• $\left[ A \right] = \begin{bmatrix} 5&-6&7 \\ 3&2&5 \\ \end{bmatrix}$
• $\left[ B \right] = \begin{bmatrix} 5&p&7 \\ 3&2&5 \\ \end{bmatrix}$

the value of $p$ is

5. For a square $n \times n$ matrix $\left[ A \right]$ to be an identity matrix,

6. To make the following matrix to be diagonally dominant, the value of $p$ needs to be

• $\begin{bmatrix} 6&-2&-4 \\ 7&9&1 \\ 8&-5&p \\ \end{bmatrix}$