Find an LU Factorization of the Matrix A $$A = \left[ \begin{array} { r r r } 2 & 3 & 5 \\4 & 9 & 5 \\4 & - 3 & 24\end{array} \right]$$

question 52

Multiple Choice

Find an LU factorization of the matrix A.
- $$A = \left[ \begin{array} { r r r } 2 & 3 & 5 \\4 & 9 & 5 \\4 & - 3 & 24\end{array} \right]$$

• A) \(\mathrm { A } = \left[ \begin{array} { r r r } 1 & 0 & 0 \\ 4 & 1 & 0 \\ 4 & - 3 & 1 \end{array} \right] \left[ \begin{array} { r r r } 2 & 3 & 5 \\ 0 & 3 & - 5 \\ 0 & 0 & - 1 \end{array} \right]\)
• B) \(A = \left[ \begin{array} { r r r } 1 & 0 & 0 \\ 2 & 1 & 0 \\ 2 & - 3 & 1 \end{array} \right] \left[ \begin{array} { r r r } 3 & 3 & 5 \\ 0 & - 3 & 5 \\ 0 & 0 & 1 \end{array} \right]\)
• C) \(A = \left[ \begin{array} { r r r } 1 & 0 & 0 \\ 2 & 1 & 0 \\ 2 & - 3 & 1 \end{array} \right] \left[ \begin{array} { c c r } 2 & 3 & 5 \\ 0 & 3 & - 5 \\ 0 & 0 & - 1 \end{array} \right]\)
• D) \(\mathrm { A } = \left[ \begin{array} { r r r } 1 & 0 & 0 \\ 4 & 1 & 0 \\ 4 & - 3 & 1 \end{array} \right] \left[ \begin{array} { r r r } 2 & 3 & 5 \\ 0 & 9 & 5 \\ 0 & 0 & 24 \end{array} \right]\)

---

Definitions:

GAAP Constraint

Guidelines that restrict or limit certain accounting practices under Generally Accepted Accounting Principles, to ensure fairness, consistency, and accuracy in financial reporting.

Disbursement Basis

Accounting method where expenses are recorded when cash is paid out, rather than when incurred.

CICA Handbook

The comprehensive guide published by the Canadian Institute of Chartered Accountants detailing accounting practices and standards in Canada.

Incorporated NFP Organizations

Nonprofit organizations that have undergone the process of incorporation, granting them legal identity separate from their members or directors.