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Matrices
Algebra Applications Unit 5
| Question | Answer |
|---|---|
| Matrix | a rectangular array of numbers |
| Matrices | plural of matrix |
| Entry | each item in a matrix |
| Rows | numbers lying side-by-side, left to right |
| Columns | numbers one above the other, up and down |
| Scalar Multiplication | the scalar is multiplied by each entry in a matrix |
| Inverse | if multiplied by the matrix you are left with the identity matrix |