# Maths 9 Chapter 1 MCQs Test 2

Federal Board FBISE Maths 9 Chapter 1 MCQs Test 2 of Matrices and Determinants. All the MCQs are important for the final exam so do as much practice as you can. You can find more Maths 9 MCQs Tests HERE.

### Chapter 1 MCQs Test 2

524

Class 9 Mathematics
Chapter 1
Practice MCQs Test No 2

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The matrix $$A=\left[ \begin{matrix} 2 & 0 & 0 \\ 0 & 2 & 0 \\ 0 & 0 & 2 \end{matrix} \right]$$ is a ________ matrix.

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The scalar matrix and identity matrices are both _________ matrices.

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The matrix $$A=\left[ \begin{matrix} 1 & 2 & 3 \\ -1 & 0 & -2 \\ 0 & 1 & 3 \end{matrix} \right]$$ is a ______ matrix.

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A square matrix A is skew-symmetric if:

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Matrix $$A=\left[ \begin{matrix} 1 & 2 \\ 1 & 1 \\ 2 & 3 \end{matrix} \right]$$ is a ______ matrix.

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The matrix $$A=\left[ \begin{matrix} 1 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 1 \end{matrix} \right]$$ is a _______ matrix.

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The matrix $$A=\left[ \begin{matrix} 0 & 0 & 0 \\ 0 & 1 & 0 \\ 0 & 0 & 3 \end{matrix} \right]$$ is a _______ matrix.

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A square matrix A is symmetric if:

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If $$A=\left[ \begin{matrix} 1 & -2 \\ 3 & 4 \end{matrix} \right]$$ then -A is:

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Additive inverse of $$A=\begin{bmatrix} 1 & -2 \\ 0 & -1 \end{bmatrix}$$ is:

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Every diagonal matrix is not a ________ matrix.

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If A is a matrix then its transpose is donated by:

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