Decide Whether or Not Matrix a and Matrix B Are

question 47

Multiple Choice

Decide whether or not matrix A and matrix B are inverses.
- $$\mathrm { A } = \left[ \begin{array} { l l } - 5 & 1 \\- 7 & 1\end{array} \right] \text { and } \mathrm { B } = \left[ \begin{array} { l l } 0.5 & - 0.5 \\3.5 & - 2.5\end{array} \right]$$

• A) Yes
• B) No

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