Math
Quadrants.
Definition
The four regions of the coordinate plane created by the x-axis and y-axis. They are numbered I through IV counterclockwise starting from the upper right.
Examples
Real-world.
- 1 Quadrant I: both x and y are positive, like (3, 5)
- 2 Quadrant II: x is negative, y is positive, like (-2, 4)
- 3 Quadrant III: both x and y are negative, like (-1, -3)
Key Fact
QI: (+,+), QII: (-,+), QIII: (-,-), QIV: (+,-)