Choose the one alternative that best completes the statement or answers the question.
Evaluate the determinant of the given matrix.
-$$A = \left[ \begin{array} { r r }
u & - 5 \
9 & u
\end{array} \right]$$
A) $- u ^ { 2 } + 45$
B) $u ^ { 2 } + 45$
C) $u ^ { 2 } - 45$
D) $- u ^ { 2 } - 45$

Question

Choose the one alternative that best completes the statement or answers the question.
Evaluate the determinant of the given matrix.
-$$A = \left[ \begin{array} { r r } 
u & - 5 \
9 & u
\end{array} \right]$$
A) $- u ^ { 2 } + 45$
B) $u ^ { 2 } + 45$
C) $u ^ { 2 } - 45$
D) $- u ^ { 2 } - 45$

Quizplus · Accepted Answer

The Answer of Choose the one alternative that best completes the statement or answers the question.
Evaluate the determinant of the given matrix.
-$$A = \left[ \begin{array} { r r } 
u & - 5 \
9 & u
\end{array} \right]$$
A) $- u ^ { 2 } + 45$
B) $u ^ { 2 } + 45$
C) $u ^ { 2 } - 45$
D) $- u ^ { 2 } - 45$

Choose the One Alternative That Best Completes the Statement or Answers