Question 1 of 5: Find the Inverse of A:
Select the Correct Answer: Correct! 
Not Correct! 
Not Correct! A
Singular Matrix
B
$$\left[ \begin{array}{cc}-1 & -6\\ \frac{1}{3}& -5\end{array}\right]$$
C
$$\left[ \begin{array}{cc}\frac{1}{6}& \frac{1}{6}\\ 0 & 1\end{array}\right]$$
D
$$\left[ \begin{array}{cc}-3 & -2\\ \frac{1}{5}& 0\end{array}\right]$$
E
$$\left[ \begin{array}{cc}2 & 1\\ -5 & \frac{1}{3}\end{array}\right]$$
Question 2 of 5: Find the Inverse of A:
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
Singular Matrix
B
$$\left[ \begin{array}{cc}-\frac{3}{7}& \frac{4}{7}\\ \frac{1}{7}& \frac{1}{7}\end{array}\right]$$
C
$$\left[ \begin{array}{cc}-1 & -2\\ 0 & 14\end{array}\right]$$
D
$$\left[ \begin{array}{cc}0 & -5\\ -3 & -7\end{array}\right]$$
E
$$\left[ \begin{array}{cc}-\frac{1}{2}& \frac{3}{4}\\ -5 & -7\end{array}\right]$$
Question 3 of 5: Find the Inverse of A:
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
Singular Matrix
B
$$\left[ \begin{array}{ccc}\frac{2}{3}& -1 & 0\\ \frac{3}{7}& -\frac{3}{2}& \frac{1}{2}\\ \frac{5}{7}& -\frac{1}{6}& \frac{3}{4}\end{array}\right]$$
C
$$\left[ \begin{array}{ccc}\frac{5}{2}& 1 & 2\\ \frac{3}{4}& \frac{1}{2}& \frac{3}{4}\\ \frac{5}{4}& \frac{1}{2}& \frac{5}{4}\end{array}\right]$$
D
$$\left[ \begin{array}{ccc}\frac{5}{7}& 0 & -1\\ \frac{1}{7}& \frac{13}{5}& \frac{13}{19}\\ \frac{4}{9}& 0 & 15\end{array}\right]$$
E
$$\left[ \begin{array}{ccc}-2 & 2 & 2\\ 0 & -5 & -3 \\2 & 0 & -4\end{array}\right]$$
Question 4 of 5: Find the Inverse of A:
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$\left[ \begin{array}{ccc}\frac{7}{20}& \frac{3}{5}& \frac{2}{9}\\ \frac{4}{3}& -11 & 0 \\ \frac{14}{17}& -\frac{3}{4}& 22\end{array}\right]$$
B
Singular Matrix
C
$$\left[ \begin{array}{ccc}\frac{1}{4}& -\frac{1}{4}& -\frac{1}{2}\\ \frac{5}{4}& -\frac{1}{4}& -\frac{3}{2}\\ -\frac{5}{2}& \frac{1}{2}& \frac{5}{2}\end{array}\right]$$
D
$$\left[ \begin{array}{ccc}-1 & 4 & 3\\ -11 & 18 & 13 \\18 & -5 & 6\end{array}\right]$$
E
$$\left[ \begin{array}{ccc}\frac{3}{8}& \frac{7}{5}& -11\\ \frac{13}{2}& -\frac{15}{16}& -\frac{12}{13}\\ \frac{3}{2}& \frac{8}{11}& \frac{7}{9}\end{array}\right]$$
Question 5 of 5: Find the Inverse of A:
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
Singular Matrix
B
$$\left[ \begin{array}{ccc}0 & 1 & 14\\ \frac{1}{2}& 3 & \frac{5}{2}\\ \frac{5}{8}& 6 & -\frac{1}{2}\end{array}\right]$$
C
$$\left[ \begin{array}{ccc}-2 & 2 & 2\\ 0 & -5 & 3 \\2 & 0 & -4\end{array}\right]$$
D
$$\left[ \begin{array}{ccc}-1 & 4 & 15\\ \frac{1}{7}& 4 & 17 \\ \frac{5}{9}& 9 & -21\end{array}\right]$$
E
$$\left[ \begin{array}{ccc}3 & -2 & 11\\ \frac{5}{7}& -3 & 13 \\ \frac{14}{19}& 7 & 14\end{array}\right]$$
