Math operations with Matrices

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Across
  1. 1. to work backward and used to solve matrices equations
  2. 4. name or dimensions
  3. 6. measurable extent of some kind, such as length, breadth, or height
  4. 7. arrangement of numbers into rows and columns
Down
  1. 2. term in the matrix
  2. 3. A number encoding certain properties of the matrix
  3. 5. Horizontal