Decide Whether or Not the Matrices Are Inverses of Each

question 44

Multiple Choice

Decide whether or not the matrices are inverses of each other.
- $$\left[ \begin{array} { l l } 9 & - 2 \\7 & - 2\end{array} \right] \text { and } \left[ \begin{array} { c c } 0.5 & 0.5 \\- \frac { 7 } { 4 } & - \frac { 9 } { 4 }\end{array} \right]$$

• A) Yes
• B) No

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