Matrix Crossword Puzzle

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Across
  1. 1. The numbers in a matrix are called the ________ of a matrix.
  2. 4. A matrix with the same number of rows and columns (Hint: 2 words)
  3. 9. A matrix with only 1 column (Hint: 2 words)
  4. 11. A matrix whose entries are all zeros (Hint: 2 words)
  5. 12. A real number by which you multiply a matrix.
Down
  1. 2. Matrices that have the same dimensions and equal entries in corresponding positions (Hint: 2 words)
  2. 3. The ________ of a matrix are the number m of rows of a matrix by the number n of columns of a matrix, written m x n.
  3. 5. A rectangular arrangement of numbers in rows and columns.
  4. 6. The ________ of a system of linear equations is an ordered pair (x, 0) that satisfies each equation of the system.
  5. 7. A method for solving a system of linear equations which uses determinants of matrices (Hint: 2 words)
  6. 8. A matrix with only 1 row (Hint: 2 words)
  7. 10. A term that has no variable part (Hint: 2 words)