Find the value of the determinant.
-$$\left| \begin{array} { l l }
- 5 & - 3 \
- 8 & - 4
\end{array} \right|$$
A) 4
B) $- 17$
C) 44
D) $- 4$

Name: Find the value of the determinant. -\[\left| \begin{array} { l l } - 5 & - 3 \\ - 8 & - 4 \end{array} \right|\] A) 4 B) $- 17$ C) 44 D) $- 4$
Brand: Quizplus
Rating: 4.8 (41 reviews)

Question

Find the value of the determinant.
-$$\left| \begin{array} { l l } 
- 5 & - 3 \
- 8 & - 4
\end{array} \right|$$
A) 4
B) $- 17$
C) 44
D) $- 4$

Quizplus · Accepted Answer

The determinant of a 2x2 matrix $\left| \begin{array} { l l } a & b \ c & d \end{array} \right|$ is calculated as $ad - bc$. For this matrix, $(-5)(-4) - (-3)(-8) = 20 - 24 = -4$.

Find the Value of the Determinant ∣−5−3−8−4∣\left| \begin{array} { l l } - 5 & - 3 \\- 8 & - 4\end{array} \right|​−5−8​−3−4​​

Find the Value of the Determinant $\left| \begin{array} { l l } - 5 & - 3 \\- 8 & - 4\end{array} \right|$