check mark
check mark
check mark
check mark
check mark
Question 1 of 5Find the Adjoint of A:
$$A=\left[ \begin{array}{cc}4 & 0\\ 2 & -1\end{array}\right]$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
$$\left[ \begin{array}{cc}-2 & 4\\ -1 & 0\end{array}\right]$$
B
$$\left[ \begin{array}{cc}5 & -7\\ 14 & -2\end{array}\right]$$
C
$$\left[ \begin{array}{cc}-1 & 0\\ -2 & 4\end{array}\right]$$
D
$$\left[ \begin{array}{cc}0 & -1\\ 3 & -2\end{array}\right]$$
E
$$\left[ \begin{array}{cc}\frac{1}{2}& 0\\ 5 & -\frac{3}{2}\end{array}\right]$$
Question 2 of 5Find the Adjoint of A:
$$\left[ \begin{array}{cc}9 & -1\\ -3 & 5\end{array}\right]$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
$$\left[ \begin{array}{cc}-15 & 10\\ 13 & -9\end{array}\right]$$
B
$$\left[ \begin{array}{cc}5 & 1\\ 3 & 9\end{array}\right]$$
C
$$\left[ \begin{array}{cc}-5 & 1\\ 3 & -9\end{array}\right]$$
D
$$\left[ \begin{array}{cc}-5 & 0\\ 0 & -1\end{array}\right]$$
E
$$\left[ \begin{array}{cc}-6 & \frac{1}{2}\\ 9 & -7\end{array}\right]$$
Question 3 of 5Find the Adjoint of A:
$$\left[ \begin{array}{ccc}12 & 11 & 8\\ 10 & -6 & 5 \\ 13 & -9 & 4\end{array}\right]$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
$$\left[ \begin{array}{ccc}15 & -113 & 111\\ 18 & 77 & 155 \\ -4 & 19 & 212\end{array}\right]$$
B
$$\left[ \begin{array}{ccc}21 & -116 & 103\\ 18 & 77 & 119 \\ -4 & 399 & -199\end{array}\right]$$
C
$$\left[ \begin{array}{ccc}21 & -116 & 103\\ 25 & -56 & 20 \\ -12 & 251 & -182\end{array}\right]$$
D
$$\left[ \begin{array}{ccc}114 & -224 & 13\\ 19 & -56 & 58 \\ -1 & -100 & 222\end{array}\right]$$
E
$$\left[ \begin{array}{ccc}8 & 9 & \frac{1}{4}\\ -9 & 54 & 12 \\ -3 & 2 & -221\end{array}\right]$$
Question 4 of 5Find the Adjoint of A:
$$\left[ \begin{array}{ccc}3 & -9 & 2\\ 5 & 1 & -1 \\ 1 & 0 & 0\end{array}\right]$$
Next »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
$$\left[ \begin{array}{ccc}-1 & -2 & 13\\ 0 & 0 & 7 \\ -1 & -9 & 48\end{array}\right]$$
B
$$\left[ \begin{array}{ccc}1 & -3 & 2\\ -22 & 0 & 1 \\ -15 & 0 & 19\end{array}\right]$$
C
$$\left[ \begin{array}{ccc}0 & 0 & 7\\ -1 & -2 & 13 \\ -1 & -9 & 48\end{array}\right]$$
D
$$\left[ \begin{array}{ccc}1 & -7 & 4\\ 5 & 6 & 19 \\ 2 & 3 & 52\end{array}\right]$$
E
$$\left[ \begin{array}{ccc}14 & 18 & 28\\ \frac{1}{10}& -3 & 15 \\ 33 & -19 & 14\end{array}\right]$$
Question 5 of 5Find the Adjoint of A:
$$\left[ \begin{array}{ccc}7 & -5 & 2\\ 4 & 0 & 3 \\ 11 & 2 & -8\end{array}\right]$$
Finish »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
$$\left[ \begin{array}{ccc}-6 & -36 & -15\\ 65 & -78 & -13 \\ 8 & -69 & 20\end{array}\right]$$
B
$$\left[ \begin{array}{ccc}0 & 15 & -13\\ 15 & 32 & -22 \\ -7 & 113 & 75\end{array}\right]$$
C
$$\left[ \begin{array}{ccc}-1 & 17 & 27\\ 18 & 41 & 31 \\ 9 & 44 & -17\end{array}\right]$$
D
$$\left[ \begin{array}{ccc}-2 & 61 & 11\\ 13 & 11 & 12 \\ 4 & 91 & -51\end{array}\right]$$
E
$$\left[ \begin{array}{ccc}6 & 36 & 15\\ 4 & 78 & 13 \\ -8 & 69 & -20\end{array}\right]$$

Great Job! You Passed!

Better Luck Next Time...

Trophy
Restart Quiz ↻
Review Lesson ↻
Next Lesson »