Evaluate the determinant.
-$\left| \begin{array} { r r r } - 2 & - 7 & 0 \ 9 & - 7 & 0 \ 8 & - 7 & 0 \end{array} \right|$
A) 0
B) 490
C) $- 518$
D) 504

Name: Evaluate the determinant. -$\left| \begin{array} { r r r } - 2 & - 7 & 0 \\ 9 & - 7 & 0 \\ 8 & - 7 & 0 \end{array} \right|$ A) 0 B) 490 C) $- 518$ D) 504
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Question

Quizplus · Accepted Answer

The determinant of a matrix with two identical rows or columns is 0. In this matrix, the third column is entirely zeros, making the determinant 0.

Evaluate the Determinant ∣−2−709−708−70∣\left| \begin{array} { r r r } - 2 & - 7 & 0 \\ 9 & - 7 & 0 \\ 8 & - 7 & 0 \end{array} \right|​−298​−7−7−7​000​​

Evaluate the Determinant $\left| \begin{array} { r r r } - 2 & - 7 & 0 \\ 9 & - 7 & 0 \\ 8 & - 7 & 0 \end{array} \right|$