Question: Use the matrices below as needed to complete Problems. 1. Find α12 in matrix A. 2. Find b23 in matrix B. 3. Which of the

Use the matrices below as needed to complete Problems.

4 2 -5 -5 4 -11 3 B= -1 1 -2 -2 -3 2. 2.
-2 E = C= D:
4 2 -5 -5 4 -11 3 B= -1 1 -2 -2

1. Find α12 in matrix A.
2. Find b23 in matrix B.
3. Which of the matrices, if any, are 3 × 4?
4. Which of the matrices, if any, are 2 × 4?
5. Which matrices are square?
6. Write the negative of matrix B.
7. If a matrix is added to its negative, what kind of matrix results?
8. Two matrices can be added if they have the same _____?

4 2 -5 -5 4 -11 3 B= -1 1 -2 -2 -3 2. 2. -2 E = C= D:

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