| 105298 | Matrices and Matrix Operations · Exercise 5 | Easy | OpenStax | |
| 105299 | Matrices and Matrix Operations · Exercise 6 | Easy | OpenStax | |
| 105309 | Multiplying Two Matrices | Easy | OpenStax | |
| 105311 | Using Matrices in Real-World Problems | Easy | OpenStax | |
| 105314 | Matrices and Matrix Operations · Exercise 8 | Easy | OpenStax | |
| 105316 | Matrices and Matrix Operations · Exercise 10 | Easy | OpenStax | |
| 105369 | Solving Systems with Gaussian Elimination · Example 1 | Easy | OpenStax | |
| 105370 | Solving Systems with Gaussian Elimination · Try It 1 | Easy | OpenStax | |
| 105371 | Solving Systems with Gaussian Elimination · Example 2 | Easy | OpenStax | |
| 105372 | Solving Systems with Gaussian Elimination · Exercise 1 | Easy | OpenStax | |
| 105373 | Solving Systems with Gaussian Elimination · Example 3 | Easy | OpenStax | |
| 105374 | Solving Systems with Gaussian Elimination · Exercise 2 | Easy | OpenStax | |
| 105393 | Solving Systems with Gaussian Elimination · Exercise 4 | Easy | OpenStax | |
| 105395 | Solving Systems with Gaussian Elimination · Exercise 6 | Easy | OpenStax | |
| 105452 | Solving Systems with Inverses · Example 1 | Easy | OpenStax | |
| 105453 | Solving Systems with Inverses · Exercise 1 | Easy | OpenStax | |
| 105454 | Solving Systems with Inverses · Exercise 2 | Easy | OpenStax | |
| 105455 | Solving Systems with Inverses · Example 2 | Easy | OpenStax | |
| 105456 | Solving Systems with Inverses · Example 3 | Easy | OpenStax | |
| 105457 | Solving Systems with Inverses · Exercise 3 | Easy | OpenStax | |
| 105472 | Solving Systems with Inverses · Exercise 5 | Easy | OpenStax | |
| 105474 | Solving Systems with Inverses · Exercise 7 | Easy | OpenStax | |
| 123690 | Solve Systems of Equations Using Matrices · Example 1 | Easy | OpenStax | |
| 123693 | Solve Systems of Equations Using Matrices · Example 2 | Easy | OpenStax | |
| 123696 | Solve Systems of Equations Using Matrices · Example 3 | Easy | OpenStax | |
| 123699 | Solve Systems of Equations Using Matrices · Example 4 | Easy | OpenStax | |
| 123702 | Solve Systems of Equations Using Matrices · Example 5 | Easy | OpenStax | |
| 123705 | Solve Systems of Equations Using Matrices · Example 6 | Easy | OpenStax | |
| 123708 | Solve Systems of Equations Using Matrices · Example 7 | Easy | OpenStax | |
| 123711 | Solve Systems of Equations Using Matrices · Example 8 | Easy | OpenStax | |
| 123714 | Solve Systems of Equations Using Matrices · Exercise 1 | Easy | OpenStax | |
| 123716 | Solve Systems of Equations Using Matrices · Exercise 3 | Easy | OpenStax | |
| 123718 | Solve Systems of Equations Using Matrices · Exercise 5 | Easy | OpenStax | |
| 123720 | Solve Systems of Equations Using Matrices · Exercise 7 | Easy | OpenStax | |
| 123722 | Solve Systems of Equations Using Matrices · Exercise 9 | Easy | OpenStax | |
| 123724 | Solve Systems of Equations Using Matrices · Exercise 11 | Easy | OpenStax | |
| 123726 | Solve Systems of Equations Using Matrices · Exercise 13 | Easy | OpenStax | |
| 123728 | Solve Systems of Equations Using Matrices · Exercise 15 | Easy | OpenStax | |
| 123730 | Solve Systems of Equations Using Matrices · Exercise 17 | Easy | OpenStax | |
| 123732 | Solve Systems of Equations Using Matrices · Exercise 19 | Easy | OpenStax | |
| 123734 | Solve Systems of Equations Using Matrices · Exercise 21 | Easy | OpenStax | |
| 123736 | Solve Systems of Equations Using Matrices · Exercise 23 | Easy | OpenStax | |
| 123738 | Solve Systems of Equations Using Matrices · Exercise 25 | Easy | OpenStax | |
| 123740 | Solve Systems of Equations Using Matrices · Exercise 27 | Easy | OpenStax | |
| 123742 | Solve Systems of Equations Using Matrices · Exercise 29 | Easy | OpenStax | |
| 123744 | Solve Systems of Equations Using Matrices · Exercise 31 | Easy | OpenStax | |
| 123746 | Solve Systems of Equations Using Matrices · Exercise 33 | Easy | OpenStax | |
| 134724 | Show that Problem 3 has no solution in two ways: find the… | Easy | Strang | |
| 134725 | Solve Problem 2 in two ways: by inspiration and Cramer’s Rule | Easy | Strang | |
| 134726 | Solve Problem 4 in two ways: by inspection and by computing the… | Easy | Strang | |