# MCQs Matrices and Determinants Matric 9th

Online MCQs about Matrices and Determinants for Mathematics of 9th Class. The quiz contains 20 MCQs from Chapter 1 “Matrices and Determinants” of the 9th Class Mathematics Book.

Online MCQs about Matrices and Determinants for the preparation of Mathematics 9th Class Science Group.

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

2. Which is the order of a square matrix?

3. A square matrix is symmetric if _________.

4. Product of $\begin{bmatrix}x & y\end{bmatrix}$$\begin{bmatrix}2 \\ -1\end{bmatrix} is 5. Which order of a rectangular matrix? 6. If A=\begin{bmatrix}a & b \\ c & d\end{bmatrix} then the determinant A is 7. Adjoint of \begin{bmatrix}1 & 2 \\ 0 & -1\end{bmatrix} is 8. If \begin{vmatrix}2 & 6 \\ 3 & x\end{vmatrix}=0 then x is equal to 9. (AB)^{-1}= 10. If A is a matrix then its transpose is denoted by 11. Which of the following is singular matrix? 12. the order of matrix \begin{bmatrix}2 & 1\end{bmatrix} is 13. If X+\begin{bmatrix}-1& -2 \\ 0 & -1\end{bmatrix}=\begin{bmatrix}1 & 0 \\ 0 & 1\end{bmatrix} 14. If A=\begin{bmatrix}1 & -2 \\ 3 & 4\end{bmatrix} then A = ____________ 15. The idea of matrices was given by 16. \begin{bmatrix}\sqrt{2} & 0 \\ 0 & \sqrt{2}\end{bmatrix} is called ________ matrix. 17. Order of a transpose of \begin{bmatrix}2 & 1 \\ 0 & 1 \\ 3 & 2\end{bmatrix} is 18. A square matrix A is called non-singular if 19. A square matrix is skew-symmetric if 20. A square matrix A is called singular if ### 9th Class Mathematics MCQs Matrices and Determinants • The order of matrix \begin{bmatrix}2 & 1\end{bmatrix} is • \begin{bmatrix}\sqrt{2} & 0 \\ 0 & \sqrt{2}\end{bmatrix} is called matrix. • Which is the order of a square matrix? • Which order of a rectangular matrix? • Order of a transpose of \begin{bmatrix}2 & 1 \\ 0 & 1 \ 3 & 2\end{bmatrix} is • Adjoint of \begin{bmatrix}1 & 2 \\ 0 & -1\end{bmatrix} is • If \begin{vmatrix}2 & 6 \\ 3 & x\end{vmatrix}=0 then x is equal to • Product of \begin{bmatrix}x & y\end{bmatrix}$$\begin{bmatrix}2 \\ -1\end{bmatrix}$ is
• If $X+\begin{bmatrix}-1& -2 \\ 0 & -1\end{bmatrix}=\begin{bmatrix}1 & 0 \\ 0 & 1\end{bmatrix}$
• The idea of matrices was given by
• If $A=\begin{bmatrix}1 & -2 \\ 3 & 4\end{bmatrix}$ then $A =$ _______
• A square matrix is symmetric if _________.
• A square matrix is skew-symmetric if
• A square matrix $A$ is called singular if
• A square matrix $A$ is called non-singular if
• $(AB)^{-1}$=
• Additive inverse of $\begin{bmatrix}1 & -2 \\ 0 & -1\end{bmatrix}$ is
• If $A$ is a matrix then its transpose is denoted by
• Which of the following is the singular matrix?
• If $A=\begin{bmatrix}a & b \\ c & d\end{bmatrix}$ then the determinant $A$ is

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