Consider the augmented matrix below which represents a system of three linear equations in variables​ x, y, and z. If​ a, b,​ c, and d are nonzero real​ numbers, then which of the following statements is not ​true? Choose the incorrect statement below.
A.
The linear system represented by the augmented matrix is dependent.
B.
The linear system represented by the augmented matrix has no solution.
C.
The linear system represented by the augmented matrix is consistent.
D.
The variable z is a free variable.