7. Systems of Equations & Matrices
Introduction to Matrices
7. Systems of Equations & Matrices
Introduction to Matrices: Study with Video Lessons, Practice Problems & Examples
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66PRACTICE PROBLEM
What is the system of equations associated with the following augmented matrix? Please note that you don't need to solve it.
![{"mathml":"<math style=\"font-family:stix;font-size:16px;\" xmlns=\"http://www.w3.org/1998/Math/MathML\"><mstyle mathsize=\"16px\"><mfenced open=\"[\" close=\"]\"><mrow><mtable><mtr><mtd><mn>1</mn></mtd><mtd><mn>0</mn></mtd><mtd><mn>0</mn></mtd></mtr><mtr><mtd><mn>0</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>0</mn></mtd></mtr><mtr><mtd><mn>0</mn></mtd><mtd><mn>0</mn></mtd><mtd><mn>1</mn></mtd></mtr></mtable><menclose notation=\"left\"><mtable><mtr><mtd><mn>7</mn></mtd></mtr><mtr><mtd><mn>15</mn></mtd></mtr><mtr><mtd><mn>21</mn></mtd></mtr></mtable></menclose></mrow></mfenced></mstyle></math>","truncated":false}](https://lightcat-files.s3.amazonaws.com/problem_images/53b3ff35b51a9f8b-1682506383729.jpg "open square brackets table row 1 0 0 row 0 1 0 row 0 0 1 end table left enclose table row 7 row 15 row 21 end table end enclose close square brackets")
What is the system of equations associated with the following augmented matrix? Please note that you don't need to solve it.