Table of contents
- 0. Review of Algebra(846)
- 1. Equations & Inequalities(1104)
- 2. Graphs of Equations(217)
- 3. Functions(524)
- 4. Polynomial Functions(334)
- 5. Rational Functions(99)
- 6. Exponential & Logarithmic Functions(453)
- 7. Systems of Equations & Matrices(489)
- 8. Conic Sections(140)
- 9. Sequences, Series, & Induction(151)
- 10. Combinatorics & Probability(86)
7. Systems of Equations & Matrices
Determinants and Cramer's Rule
7. Systems of Equations & Matrices
Determinants and Cramer's Rule: Study with Video Lessons, Practice Problems & Examples
65PRACTICE PROBLEM
Work out the given equation:
![Equation showing a determinant with variables z, equal to 9.](https://lightcat-files.s3.amazonaws.com/problem_images/f06aad40bf850aa4-1682402900054.jpg)
Work out the given equation: