Decide Whether or Not Matrix a and Matrix B Are

question 35

Multiple Choice

Decide whether or not matrix A and matrix B are inverses.
- $$A = \left[ \begin{array} { r r r } 1 & 0 & 0 \\- 1 & 1 & 0 \\1 & 1 & 1\end{array} \right] \text { and } B = \left[ \begin{array} { r r r } 1 & 0 & 0 \\1 & 1 & 0 \\- 2 & - 1 & 1\end{array} \right]$$

• A) Yes
• B) No

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Definitions:

Stop-Payment Order

A request made to a bank by an account holder not to pay a check or payment that has been issued but not yet cashed or withdrawn.

Valid

Legally binding and enforceable, meeting all necessary legal formalities and requirements.

Extends

Refers to something that increases in length, duration, or scope.

Stop-Payment Orders

A request made by an account holder to a bank to not pay out on a check or payment that has been issued on their account.