Question 1 of 5Find the sum of A and B:
Select the Correct Answer Below: Correct! Not Correct!
A
$$\left[ \begin{array}{cc}-1 & 2\\ 7 & 3\end{array}\right]$$
B
Does not exist
C
$$\left[ \begin{array}{cc}7 & -16\\ 3 & 1\end{array}\right]$$
D
$$\left[ \begin{array}{cc}-8 & 12\\ 11 & -5\end{array}\right]$$
E
$$\left[ \begin{array}{cc}5 & 6\\ -1 & 5\end{array}\right]$$
Question 2 of 5Find the difference of A and B:
Select the Correct Answer Below: Correct! Not Correct!
A
Does not exist
B
$$\left[ \begin{array}{ccc}-6 & 13 & -6\\ 5 & -4 & -6\end{array}\right]$$
C
$$\left[ \begin{array}{ccc}-6 & 13 & -6\\ -6 & -4 & 5\end{array}\right]$$
D
$$\left[ \begin{array}{ccc}10 & 5 & 8\\ 18 & 2 & 1\end{array}\right]$$
E
$$\left[ \begin{array}{ccc}-2 & -9 & -1\\ -6 & 1 & -3\end{array}\right]$$
Question 3 of 5Answer the given question:
Select the Correct Answer Below: Correct! Not Correct!
A
We get the zero matrix as our answer
B
We get the identity matrix as our answer
C
We get the inverse of the non-zero matrix
D
The non-zero matrix is unchanged
E
We get a singular matrix.
Question 4 of 5Answer the given question:
Select the Correct Answer Below: Correct! Not Correct!
A
The Identity Matrix
B
The Row-Column Jordan Matrix
C
The Zero Matrix
D
The Echelon Matrix
E
The Inverse Matrix
Question 5 of 5Find X:
Select the Correct Answer Below: Correct! Not Correct!
A
No Solution
B
$$X=\left[ \begin{array}{ccc}-9 & 32 & -6\\ 3 & -5 & 1\\17 & -14 & 1\end{array}\right]$$
C
$$X=\left[ \begin{array}{ccc}9 & -32 & 6\\ -3 & 5 & -1\\-17 & 14 & -1\end{array}\right]$$
D
$$X=\left[ \begin{array}{ccc}1 & 0 & 0\\ 0 & 1 & 0\\0 & 0 & 1\end{array}\right]$$
E
$$X=\left[ \begin{array}{ccc}14 & -5 & 8\\ 23 & 5 & -1\\6 & -12 & 3\end{array}\right]$$

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