MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Let A=\(\begin{bmatrix}3&-5&2\\-4&-6&2\\7&1&5\end{bmatrix}\). Find the additive inverse of A. |
| A. | \(\begin{bmatrix}-3&5&-2\\-4&6&2\\7&1&5\end{bmatrix}\) |
| B. | \(\begin{bmatrix}3&-5&2\\-4&-6&2\\7&1&5\end{bmatrix}\) |
| C. | \(\begin{bmatrix}-3&5&-2\\4&6&-2\\-7&-1&-5\end{bmatrix}\) |
| D. | \(\begin{bmatrix}-3&5&2\\-4&6&-2\\-7&-1&5\end{bmatrix}\) |
| Answer» D. \(\begin{bmatrix}-3&5&2\\-4&6&-2\\-7&-1&5\end{bmatrix}\) | |
| 2. |
Find AB if A = \(\begin{bmatrix}1&2\\3&4\end{bmatrix}\) and B = \(\begin{bmatrix}1&5\\3&2\end{bmatrix}\). |
| A. | AB = \(\begin{bmatrix}15&23\\9&7\end{bmatrix}\) |
| B. | AB = \(\begin{bmatrix}9&7\\23&15\end{bmatrix}\) |
| C. | AB = \(\begin{bmatrix}7&9\\15&23\end{bmatrix}\) |
| D. | AB = \(\begin{bmatrix}7&9\\23&15\end{bmatrix}\) |
| Answer» D. AB = \(\begin{bmatrix}7&9\\23&15\end{bmatrix}\) | |
| 3. |
Find the value of x and y if 2\(\begin{bmatrix}5&x\\y-4&6\end{bmatrix}\)+\(\begin{bmatrix}-4&1\\3&2\end{bmatrix}\)=\(\begin{bmatrix}6&3\\10&14\end{bmatrix}\)? |
| A. | x=-1, y=9 |
| B. | x=-1, y=-9 |
| C. | x=1, y=-9 |
| D. | x=1, y=9 |
| Answer» E. | |
| 4. |
Find the matrix M and N, if M+N = \(\begin{bmatrix}5&6\\7&8\end{bmatrix}\),M-N = \(\begin{bmatrix}4&5\\6&8\end{bmatrix}\). |
| A. | M=1/2 \(\begin{bmatrix}9&11\\13&16\end{bmatrix}\), N=1/2 \(\begin{bmatrix}1&1\\1&0\end{bmatrix}\) |
| B. | M=\(\begin{bmatrix}5&6\\7&8\end{bmatrix}\), N=\(\begin{bmatrix}4&5\\8&6\end{bmatrix}\) |
| C. | M=1/2 \(\begin{bmatrix}9&2\\13&16\end{bmatrix}\), N=1/2 \(\begin{bmatrix}1&1\\2&5\end{bmatrix}\) |
| D. | M=1/2 \(\begin{bmatrix}4&5\\1&2\end{bmatrix}\), N=1/2 \(\begin{bmatrix}1&2\\1&2\end{bmatrix}\) |
| Answer» B. M=\(\begin{bmatrix}5&6\\7&8\end{bmatrix}\), N=\(\begin{bmatrix}4&5\\8&6\end{bmatrix}\) | |
| 5. |
If A+B = \(\begin{bmatrix}6&7\\5&0\end{bmatrix}\)and A = \(\begin{bmatrix}2&5\\1&-1\end{bmatrix}\). Find the matrix B. |
| A. | B = \(\begin{bmatrix}4&1\\2&4\end{bmatrix}\) |
| B. | B = \(\begin{bmatrix}4&2\\4&1\end{bmatrix}\) |
| C. | B = \(\begin{bmatrix}4&1\\4&2\end{bmatrix}\) |
| D. | B = \(\begin{bmatrix}4&4\\4&2\end{bmatrix}\) |
| Answer» C. B = \(\begin{bmatrix}4&1\\4&2\end{bmatrix}\) | |
| 6. |
If A = \(\begin{bmatrix}3&4\\1&2\end{bmatrix}\) and B = \(\begin{bmatrix}1&5\\2&3\end{bmatrix}\), find 2A-3B. |
| A. | \(\begin{bmatrix}3&7\\-4&5\end{bmatrix}\) |
| B. | \(\begin{bmatrix}-3&-7\\-4&-5\end{bmatrix}\) |
| C. | \(\begin{bmatrix}3&7\\-4&-5\end{bmatrix}\) |
| D. | \(\begin{bmatrix}3&-7\\-4&-5\end{bmatrix}\) |
| Answer» E. | |
| 7. |
If A = \(\begin{bmatrix}1&2&3\\9&10&11\end{bmatrix}\) and B = \(\begin{bmatrix}0&5&0\\5&0&5\end{bmatrix}\), then find A+B. |
| A. | A+B = \(\begin{bmatrix}1&7&3\\11&10&16\end{bmatrix}\) |
| B. | A+B = \(\begin{bmatrix}1&7&3\\14&11&13\end{bmatrix}\) |
| C. | A+B = \(\begin{bmatrix}1&7&3\\14&10&16\end{bmatrix}\) |
| D. | A+B = \(\begin{bmatrix}1&5&3\\14&10&16\end{bmatrix}\) |
| Answer» D. A+B = \(\begin{bmatrix}1&5&3\\14&10&16\end{bmatrix}\) | |