The co-ordinates of a point are\[\left( \mathbf{x},\mathbf{y} \right)\]. If the point lies in the 4th quadrant then:

• A. \[x>0,y>0\]
• B. \[x<0,y>0\]
• C. \[x<0,y<0\]
• D. \[x>0,y<0\]