Solving Matrices Question: Evaluate AB

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To evaluate AB, you need to multiply matrix A by matrix B. The notation "AB" indicates matrix multiplication. The user is seeking clarification on the term "evaluate," which in this context means to perform the multiplication operation. The response confirms that "evaluate AB" indeed refers to multiplying the two matrices. Understanding this notation is essential for solving matrix-related problems.
lakitu
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hi there,

my teacher gave me the following question: 1. Evaluate AB

A= (19 81)
(2 10)

B= (9 -6)
(6 -7)

The book i have tells me how to add multiply and subtract matrices, i don't understand what evaluate AB means, is it multiply>?

Kind regards

lakitu
 
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"Evaluate AB" means "Multiply A by B".
 
Whenever two letters are together like that it always means to multiply. AB = A \times B
 

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