A) $X = \left[ \begin{array} { l } \frac { 1 } { 16 } \\\frac { 85 } { 16 } \\- \frac { 13 } { 16 }\end{array} \right]$

question 49

Multiple Choice

$A ^ { - 1 } = \left[ \begin{array} { r r r } - \frac { 1 } { 8 } & \frac { 1 } { 4 } & \frac { 1 } { 8 } \\\frac { 11 } { 8 } & \frac { 1 } { 4 } & - \frac { 3 } { 8 } \\- \frac { 3 } { 8 } - \frac { 1 } { 4 } & \frac { 3 } { 8 }\end{array} \right] , \text { solve } A X = \left[ \begin{array} { l } 9 \\2 \\6\end{array} \right] \text { for } X$

• A) \(X = \left[ \begin{array} { l }
• \frac { 1 } { 16 } \\
• \frac { 85 } { 16 } \\
• - \frac { 13 } { 16 }
• \end{array} \right]\)
• B) \(X = \left[ \begin{array} { l }
• \frac { 1 } { 8 } \\
• \frac { 85 } { 8 } \\
• - \frac { 13 } { 8 }
• \end{array} \right]\)
• C) \(X = \left[ \begin{array} { l }
• \frac { 1 } { 4 } \\
• \frac { 85 } { 4 } \\
• - \frac { 13 } { 4 }
• \end{array} \right]\)
• D) \(X = \left[ \begin{array} { c }
• - \frac { 1 } { 8 } \\
• - \frac { 85 } { 8 } \\
• \frac { 13 } { 8 }
• \end{array} \right]\)

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Definitions:

Complex Sentence

A sentence that contains one independent clause and at least one dependent clause, expressing more nuanced or detailed information.

Independent Clauses

Sentences or clauses that can stand alone as a complete thought because they have both a subject and a predicate.

Subordinate Thoughts

Ideas or considerations that are of lesser importance or rank compared to primary thoughts.

Key Points

The most important or central ideas, facts, or issues in a discussion or piece of communication.