Use the Matrix Capabilities of a Graphing Utility to Find $\left[ \begin{array} { c c c c } 3 & 1 & 9 & 1 \\- 3 & 6 & - 3 & 12 \\3 & 1 & 9 & 1 \\- 3 & 6 & - 3 & 12\end{array} \right]$

question 17

Multiple Choice

Use the matrix capabilities of a graphing utility to find the inverse of the matrix $\left[ \begin{array} { c c c c } 3 & 1 & 9 & 1 \\- 3 & 6 & - 3 & 12 \\3 & 1 & 9 & 1 \\- 3 & 6 & - 3 & 12\end{array} \right]$ (if it exists) .

• A) \(- \frac { 1 } { 6 } \left[ \begin{array} { c c c c }
• 0 & 3 & 6 & 1 \\
• - 1 & 12 & 0 & 6 \\
• - 3 & 1 & - 9 & 0 \\
• - 3 & - 3 & - 1 & 12
• \end{array} \right]\)
• B) \(- \frac { 1 } { 6 } \left[ \begin{array} { c c c c }
• 0 & - 3 & 9 & 1 \\
• 1 & 12 & 0 & 6 \\
• - 3 & 1 & - 9 & 0 \\
• - 2 & 3 & 1 & - 12
• \end{array} \right]\)
• C) \(\frac { 1 } { 3 } \left[ \begin{array} { c c c c }
• 0 & 3 & 6 & 1 \\
• - 1 & 12 & 0 & 6 \\
• - 3 & 1 & - 9 & 0 \\
• - 3 & - 3 & - 1 & 12
• \end{array} \right]\)
• D) \(- \frac { 1 } { 3 } \left[ \begin{array} { c c c c }
• 0 & - 3 & 9 & 1 \\
• 1 & 12 & 0 & 6 \\
• - 3 & 1 & - 9 & 0 \\
• - 2 & 3 & 1 & - 12
• \end{array} \right]\)
• E)does not exist

---

Definitions:

Baby Boomer

A person born during the post-World War II baby boom between the years 1946 and 1964.

Generation X

The generation born approximately between the early 1960s and late 1970s, coming after the Baby Boomers and before Millennials.

Taking Communion

A Christian sacrament in which bread and wine are consumed as symbols of Jesus’s body and blood, commemorating the Last Supper.

Ritual

A set of actions performed mainly for their symbolic value, prescribed by a culture or religion, to convey a specific meaning or tradition.