The necessary condition for third quadrant region in xy-plane, is

The necessary condition for third quadrant region in

1.	The necessary condition for third quadrant region in xy-plane, is
A.	\[x>0,\ y<0\]
B.	\[x<0,\ y<0\]
C.	\[x<0,\ y>0\]
D.	\[x<0,\ y=0\]
Answer» C. \[x<0,\ y>0\]

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The necessary condition for third quadrant region in xy-plane, is

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