Graphing Systems of Linear Inequalities · Exercise 136

Solve using Cramer’s rule.

Evaluate the determinant by expanding by minors:
$\left|\begin{array}{ccccccc}3& & & -2& & & -2\\ 2& & & -1& & & 4\\ -1& & & 0& & & -3\end{array}\right|.$

OpenStax, Intermediate Algebra 2e · §4.7 Graphing Systems of Linear Inequalities · Exercise 136