Question: A matrix is a rectangular array of numbers. The dimensions of a matrix are written as rows x columns. 3 2 4 7 Example:

A matrix is a rectangular array of numbers. The dimensions of a matrix are written as rows x columns. 3 2 4 7 Example: A = -20 and B = 0 0 are both 1 5 -1 -2 3x2 matrices. Question: Use the two matrices from above to find 2A - B. For more information on this topic, look in your textbook at section 8.3. You might also want to look at the Matrix Operations presentation. [3 3 -3 4 0 3 12 2 -3 -4 0 - 3 8 2 -3 2 4 12 0

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