Table of contents
- 0. Review of Algebra(0)
- 1. Equations & Inequalities(0)
- 2. Graphs of Equations(0)
- 3. Functions(0)
- 4. Polynomial Functions(0)
- 5. Rational Functions(0)
- 6. Exponential & Logarithmic Functions(0)
- 7. Systems of Equations & Matrices(0)
- 8. Conic Sections(0)
- 9. Sequences, Series, & Induction(0)
- 10. Combinatorics & Probability(0)
7. Systems of Equations & Matrices
Determinants and Cramer's Rule
7. Systems of Equations & Matrices
Determinants and Cramer's Rule: Videos & Practice Problems
128 of 0
Problem 128Multiple Choice
![{"mathml":"<math style=\"font-family:stix;font-size:16px;\" xmlns=\"http://www.w3.org/1998/Math/MathML\"><mstyle mathsize=\"16px\"><mi>A</mi><mo>=</mo><mfenced open=\"[\" close=\"]\"><mtable><mtr><mtd><mi>p</mi></mtd><mtd><mi>q</mi></mtd></mtr><mtr><mtd><mi>r</mi></mtd><mtd><mi>s</mi></mtd></mtr></mtable></mfenced><mo> </mo><mi>and</mi><mo> </mo><mi>B</mi><mo>=</mo><mfenced open=\"[\" close=\"]\"><mtable><mtr><mtd><mn>1</mn></mtd><mtd><mn>0</mn></mtd></mtr><mtr><mtd><mn>0</mn></mtd><mtd><mn>1</mn></mtd></mtr></mtable></mfenced></mstyle></math>","truncated":false}](https://lightcat-files.s3.amazonaws.com/problem_images/45387fb07d118a50-1682502583153.jpg "A equals open square brackets table row p q row r s end table close square brackets space and space B equals open square brackets table row 1 0 row 0 1 end table close square brackets")