Crossword Puzzle

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Across
  1. 1. a fixed reference line for the measurement of coordinates.
  2. 4. the branch of mathematics concerned with the properties and relations of points, lines, etc.
  3. 6. the process of dividing a matrix, vector, or other quantity by another under specific rules to obtain a quotient.
  4. 8. the process of combining matrices, vectors, or other quantities under specific rules to obtain their sum.
  5. 9. also known as the - sign
  6. 10. the process of taking a matrix, vector, or other quantity away from another under specific rules to obtain the difference.
Down
  1. 1. letters and other general symbols are used to represent numbers and quantities in formulae and equations.
  2. 2. the process of combining matrices, vectors, or other quantities under specific rules to obtain their product.
  3. 3. right angles to a horizontal plane.
  4. 5. right angle to a vertical plane.
  5. 7. also known as the + sign