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
121 of 0
Problem 121Multiple 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><mo>-</mo><mn>6</mn></mtd><mtd><mo>-</mo><mn>5</mn></mtd></mtr><mtr><mtd><mn>7</mn></mtd><mtd><mn>2</mn></mtd></mtr></mtable></mfenced><mo>,</mo><mo> </mo><mi>B</mi><mo>=</mo><mfenced open=\"[\" close=\"]\"><mtable><mtr><mtd><mn>8</mn></mtd><mtd><mn>5</mn></mtd></mtr><mtr><mtd><mn>0</mn></mtd><mtd><mo>-</mo><mn>4</mn></mtd></mtr><mtr><mtd><mn>1</mn></mtd><mtd><mn>9</mn></mtd></mtr></mtable></mfenced><mo>,</mo><mo> </mo><mi>C</mi><mo>=</mo><mfenced open=\"[\" close=\"]\"><mtable><mtr><mtd><mo>-</mo><mn>2</mn></mtd><mtd><mn>7</mn></mtd><mtd><mn>8</mn></mtd></mtr><mtr><mtd><mn>0</mn></mtd><mtd><mn>4</mn></mtd><mtd><mn>12</mn></mtd></mtr></mtable></mfenced></mstyle></math>","truncated":false}](https://lightcat-files.s3.amazonaws.com/problem_images/1c91be8628399e07-1682440604210.jpg "A equals open square brackets table row cell negative 6 end cell cell negative 5 end cell row 7 2 end table close square brackets comma space B equals open square brackets table row 8 5 row 0 cell negative 4 end cell row 1 9 end table close square brackets comma space C equals open square brackets table row cell negative 2 end cell 7 8 row 0 4 12 end table close square brackets")