Classify the following matrices as a row, a column,a square, a diagonal,a scalar,a unit,an upper triangular,a lower triangular,a symmetric or a skew-symmetric matrix. `[[2,0,0],[3,-1,0],[-7,3,1]]`

Classify the following matrices as a row, a column,a square, a diagonal,a scalar,a unit,an upper triangular,a lower triangular,a symmetric or a skew-symmetric matrix. [[6,0],[0,6]]

Classify the following matrices as a row, a column,a square, a diagonal,a scalar,a unit,an upper triangular,a lower triangular,a symmetric or a skew-symmetric matrix. [[3,0,0],[0,5,0],[0,0,1/3]]

Classify the following matrices as a row, a column,a square, a diagonal,a scalar,a unit,an upper triangular,a lower triangular,a symmetric or a skew-symmetric matrix. [[0,4,7],[-4,0,-3],[-7,3,0]]

Classify the following matrices as a row, a column,a square, a diagonal,a scalar,a unit,an upper triangular,a lower triangular,a symmetric or a skew-symmetric matrix. [[1,0,0],[0,1,0],[0,0,1]]

Classify the following matrices as a row, a column,a square, a diagonal,a scalar,a unit,an upper triangular,a lower triangular,a symmetric or a skew-symmetric matrix. [[0,0,1],[0,1,0],[1,0,0]]

Classify the following matrices as a row, a column,a square, a diagonal,a scalar,a unit,an upper triangular,a lower triangular,a symmetric or a skew-symmetric matrix. [[5],[4],[-3]]

Classify the following matrices as a row, a column,a square, a diagonal,a scalar,a unit,an upper triangular,a lower triangular,a symmetric or a skew-symmetric matrix. [[9,sqrt2,-3]]

Classify the following matrices as a row, a column,a square, a diagonal,a scalar,a unit,an upper triangular,a lower triangular,a symmetric or a skew-symmetric matrix. [[3,-2,4],[0,0,-5],[0,0,0]]

Classify the following matrices as a row, a column,a square, a diagonal,a scalar,a unit,an upper triangular,a lower triangular,a symmetric or a skew-symmetric matrix. [[10,-15,27],[-15,0,sqrt34],[27,sqrt34,5/3]]