We will proceed to graph each case to determine the solution of the problem.
using a graphing tool
case A


see the attached figure N
The system A is not the graphed one
case B.

see the attached figure N
The system B is not the graphed one
case C.

see the attached figure N
The system C is not the graphed one
case D.

see the attached figure N
The system D is the graphed one