Matrices

Practice Questions

GRE Subject Test: Math › Matrices

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1

If $f(x)=-\frac{3x}{5}+11$ , what is its inverse function, $f^{-1}(x)$ ?

2

If $f(x)=-\frac{3x}{5}+11$ , what is its inverse function, $f^{-1}(x)$ ?

3

Find the inverse of the following matrix, if possible.

$A=\begin{bmatrix} 0&1 \ 1&0 \end{bmatrix}$

4

Find the inverse of the following matrix, if possible.

$A=\begin{bmatrix} 0&1 \ 1&0 \end{bmatrix}$

5

Find the inverse of the following matrix, if possible.

$A=\begin{bmatrix} 4&-4 \ -4&-4 \end{bmatrix}$

6

Find the inverse of the following matrix, if possible.

$A=\begin{bmatrix} 4&-4 \ -4&-4 \end{bmatrix}$

7

Evaluate the determinant of the following matrix.

$\begin{bmatrix} 5& -3\ 7& 8 \end{bmatrix}$

8

Find the determinate of Matrix A.

$A=\begin{bmatrix} 8&2 \ 5& 3 \end{bmatrix}$

9

Find the Inverse of Matrix B $(B^{-1})$ where

$B=\begin{bmatrix} 2&4 \ 5&8 \end{bmatrix}$ .

10

Find the inverse of the following matrix, if possible.

$A=\begin{bmatrix} 4&-4 \ -4&-4 \end{bmatrix}$

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