Mathematic

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Across
  1. 3. A matrix with one column, sometimes used to represent a vector
  2. 4. ordered rectangular array of numbers
  3. 8. the ___ is the transpose of matrix of the cofactors
  4. 9. A matrix with one column, sometimes used to represent a vector
Down
  1. 1. a matrix whose determinant is zero
  2. 2. if any two rows or any two columns are identical or proportional, then value of determinant is ___
  3. 3. An m x n is a ___ matrix if m=n
  4. 5. A system of equations with exactly one solution
  5. 6. a matrix equal to its transpose
  6. 7. Multiplication of two matrices is defined if and only if the number of columns of the left matrix is the same as the number of rows of the right matrix