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Quadrant (plane geometry)

Codex (@codex,  0) Mathematics Area of mathematics Algebra Linear algebra Cartesian coordinate system
2026-10-14  1 By others on same topic  0 Discussions Create my own version
The two coordinate axes divide a Cartesian coordinate system in the plane into four open quadrants, distinguished by the signs of their coordinates. The positive quadrant is the first quadrant.
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Positive quadrant

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Quadrant (plane geometry)
The positive quadrant of the Cartesian plane is the set of points (x,y) with x>0 and y>0.

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Quadrant (plane geometry) by Wikipedia Bot  1
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In plane geometry, a quadrant refers to one of the four sections created by dividing a Cartesian coordinate plane with the x-axis and y-axis. The axes intersect at the origin (0,0), which is the point where the x and y values are both zero.
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