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Questions and Answers
What is the resulting element at position (1,2) for the matrix $3A - 28$?
What is the resulting element at position (1,2) for the matrix $3A - 28$?
- 0
- -9 (correct)
- 9
- 1
What is the first step in calculating $3A$?
What is the first step in calculating $3A$?
- Subtract 3 from each element of A
- Multiply each element of A by 3 (correct)
- Add 3 to each element of A
- Divide each element of A by 3
What does the operation $3A - 28$ represent mathematically?
What does the operation $3A - 28$ represent mathematically?
- Dividing $3A$ by 28
- Subtracting 28 from each element of $3A$ (correct)
- Multiplying each element of $3A$ by 28
- Adding 28 to each element of $3A$
What is the resulting matrix structure for $3A$ if A is a $3 imes 3$ matrix?
What is the resulting matrix structure for $3A$ if A is a $3 imes 3$ matrix?
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What will be the value of the first element after the operation $3A - 28$?
What will be the value of the first element after the operation $3A - 28$?
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