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Questions and Answers
Which one of these statements is true about scalar multiplication?
Which one of these statements is true about scalar multiplication?
- Scalar multiplication is denoted by PkP.
- Scalar multiplication is denoted by k.
- Scalar multiplication is denoted by Pk.
- Scalar multiplication is denoted by kP. (correct)
Which one of these is the correct product of matrices X and Y?
Which one of these is the correct product of matrices X and Y?
- XY = X - Y
- XY = Z (correct)
- XY = X * Y
- XY = X + Y
Which one of these is the correct formula for calculating Z11 in the matrix product XY?
Which one of these is the correct formula for calculating Z11 in the matrix product XY?
- Z11 = x11y12 + x12y22
- Z11 = x21y11 + x22y21
- Z11 = x11y11 + x12y21 (correct)
- Z11 = x21y12 + x21y22
Given the matrix A = [(3&-2@4&1@-5&2)], what is the result of 3A?
Given the matrix A = [(3&-2@4&1@-5&2)], what is the result of 3A?
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Given the matrices A = [(3&-2@4&1@-5&2)] and B = [(5&-2&4@1&3&6)], what is the result of AB?
Given the matrices A = [(3&-2@4&1@-5&2)] and B = [(5&-2&4@1&3&6)], what is the result of AB?
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