Solve Systems of Equations Using Determinants · Exercise 10

Evaluate each determinant by expanding by minors along the first row.

$\left|\begin{array}{ccccccc}4& & & -1& & & -2\\ -3& & & -2& & & 1\\ -2& & & -5& & & 7\end{array}\right|$

OpenStax, Intermediate Algebra 2e · §4.6 Solve Systems of Equations Using Determinants · Exercise 10