The signs of the coordinates in each quadrant of the Cartesian plane are as follows:
- Quadrant I: (x, y) → Both x and y are positive.
- Quadrant II: (x, y) → x is negative, and y is positive.
- Quadrant III: (x, y) → Both x and y are negative.
- Quadrant IV: (x, y) → x is positive, and y is negative.
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