Determinants and Cramer's Rule
1 Evaluate a Second-Order Determinant
-$\left| \begin{array} { r r } - 1 & 1 \ 2 & 2 \end{array} \right|$
A) $- 4$
B) 0
C) 4
D) $- 5$

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The Answer of Determinants and Cramer's Rule
1 Evaluate a Second-Order Determinant
-$\left| \begin{array} { r r } - 1 & 1 \ 2 & 2 \end{array} \right|$
A) $- 4$
B) 0
C) 4
D) $- 5$

Determinants and Cramer's Rule 1 Evaluate a Second-Order Determinant - ∣−1122∣\left| \begin{array} { r r } - 1 & 1 \\ 2 & 2 \end{array} \right|​−12​12​​

Determinants and Cramer's Rule
1 Evaluate a Second-Order Determinant
- $\left| \begin{array} { r r } - 1 & 1 \\ 2 & 2 \end{array} \right|$