statement is false.
9) The 3×3 matrix A is invertible. Which, if any, of the following statements is false? a) The sequence of columns of A is linearly independent. b) The sequence of columns of A spans R³. c) The sequence of rows of A is a basis of R³. d) The REF of A has a zero row.
b) a) 2 c) d) 10) Which of the following is T2(-2) 2 -3 -8 -' -7 5 5 1 3 3 8 7 255 135 1 2 3 0 1 -1 0 1 2 12 3 01 -1 13 5 25 5 3 3 5 e) 1 2 1 1 2 3 255? 1 3 5 5
2 6) Suppose A is a 4 x 3 matrix. Assume CA = 1 a) C does not exist. b) 2 x 4 matrix. c) 4 x 2 matrix. d) 3 x 4 matrix. e) 3 x 3 matrix. 7) Suppose A = 1 1 1 1 2 1 1 1 1 1 3 1 1 1 1 1 4 1 1 1 2 1 2 a) The column vectors of A span R¹. b) The column vectors are linearly independent. c) The first four column vectors form a basis of R¹. d) The row vectors are linearly independent. Then, Then the following 2 6) Suppose A is a 4 x 3 matrix. Assume CA = 1 a) C does not exist. b) 2 x 4 matrix. c) 4 x 2 matrix. d) 3 x 4 matrix.
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