Find the determinant of the matrix. $\left[ \begin{array} { c c }
2 & - 5 \
0 & 0
\end{array} \right]$
A) $7$
B)0
C) $- 10$
D)10
E) $- 7$

Question

Find the determinant of the matrix.   $\left[ \begin{array} { c c } 
2 & - 5 \
0 & 0
\end{array} \right]$  
A) $7$
B)0
C) $- 10$
D)10
E) $- 7$

Quizplus · Accepted Answer

The determinant of a 2x2 matrix $\left[ \begin{array} { c c } a & b \ c & d \end{array} \right]$ is calculated as $ad - bc$. For the given matrix, $a = 2$, $b = -5$, $c = 0$, and $d = 0$, so the determinant is $2*0 - (-5)*0 = 0$.

Find the Determinant of the Matrix [2−500]\left[ \begin{array} { c c } 2 & - 5 \\0 & 0\end{array} \right][20​−50​]

Find the Determinant of the Matrix $\left[ \begin{array} { c c } 2 & - 5 \\0 & 0\end{array} \right]$