Determine the value(s) of h such that the matrix is the augmented matrix of a consistent linear system.
[ k 1 4 ]
[ h 1 2 ]
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. The matrix is the augmented matrix of a consistent linear system if h = _____(Use a comma to separate answers as needed. Type an integer or a simplified fraction.)