Question 1 of 5Find the inverse of A:
Select the Correct Answer Below: Correct! Not Correct!
A
$$\left[ \begin{array}{cc}2 & 5\\ 7 & 0\end{array}\right]$$
B
$$\left[ \begin{array}{cc}-1 & 6\\ 3 & 2\end{array}\right]$$
C
Singular Matrix
D
$$\left[ \begin{array}{cc}-3 & 2\\ -1 & 7\end{array}\right]$$
E
$$\left[ \begin{array}{cc}3 & -7\\ -2 & 5\end{array}\right]$$
Question 2 of 5Find the inverse of A:
Select the Correct Answer Below: Correct! Not Correct!
A
Singular Matrix
B
$$\left[ \begin{array}{cc}2 & \frac{1}{2}\\ 1 & -\frac{1}{2}\end{array}\right]$$
C
$$\left[ \begin{array}{cc}\frac{4}{3}& -2\\ 0 & -\frac{2}{3}\end{array}\right]$$
D
$$\left[ \begin{array}{cc}-\frac{1}{2}& \frac{3}{2}\\ \frac{1}{2}& -1\end{array}\right]$$
E
$$\left[ \begin{array}{cc}2 & 3\\ 0 & -\frac{1}{4}\end{array}\right]$$
Question 3 of 5Find the inverse of A:
Select the Correct Answer Below: Correct! Not Correct!
A
$$\left[ \begin{array}{cc}-1 & 0\\ \frac{3}{4}& \frac{7}{3}\end{array}\right]$$
B
$$\left[ \begin{array}{cc}13 & 12\\ \frac{13}{7}& \frac{5}{9}\end{array}\right]$$
C
$$\left[ \begin{array}{cc}-4 & -2\\ \frac{4}{5}& \frac{3}{7}\end{array}\right]$$
D
$$\left[ \begin{array}{cc}-1 & -2\\ 1 & 4\end{array}\right]$$
E
Singular Matrix
Question 4 of 5Find the inverse of A:
Select the Correct Answer Below: Correct! Not Correct!
A
Singular Matrix
B
$$\left[ \begin{array}{ccc}\frac{1}{5}& \frac{2}{7}& \frac{1}{3}\\ -4 & \frac{1}{9}& -2 \\5 & \frac{2}{5}& -1\end{array}\right]$$
C
$$\left[ \begin{array}{ccc}7 & -3 & -3\\ -1 & 1 & 0 \\-1 & 0 & 1\end{array}\right]$$
D
$$\left[ \begin{array}{ccc}-2 & 4 & -3\\ -\frac{1}{4}& \frac{4}{5}& 3 \\-1 & -3 & -4\end{array}\right]$$
E
$$\left[ \begin{array}{ccc}5 & -15 & -12\\ -3 & 7 & -9 \\-6 & 2 & -4\end{array}\right]$$
Question 5 of 5Find the inverse of A:
Select the Correct Answer Below: Correct! Not Correct!
A
$$\left[ \begin{array}{cccc}1 & 3 & 7 & 11\\ -5 & -11 & 13 & 22 \\-8 & -5 & 14 & 30 \\ 6 & -2 & 17 & 14\end{array}\right]$$
B
Singular Matrix
C
$$\left[ \begin{array}{cccc}9 & 5 & 14 & 12\\ -3 & -2 & 17 & 31 \\ \frac{3}{4}& \frac{1}{3}& 20 & 33 \\ -1 & \frac{2}{5}& 16 & 39\end{array}\right]$$
D
$$\left[ \begin{array}{cccc}\frac{3}{4}& \frac{3}{7}& 4 & 13\\ -7 & -15 & 12 & 18 \\-1 & -3 & 22 & 14 \\ -3 & -1 & 28 & 33\end{array}\right]$$
E
$$\left[ \begin{array}{cccc}7 & -2 & -5 & 13\\ 8 & 1 & -1 & 4 \\ \frac{1}{3}& 15 & 8 & -2 \\ 5 & \frac{2}{3}& 8 & -1\end{array}\right]$$

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