Quadrants

Math

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

  • Quadrant I: both x and y are positive, like (3, 5)
  • Quadrant II: x is negative, y is positive, like (-2, 4)
  • Quadrant III: both x and y are negative, like (-1, -3)
Key Fact

QI: (+,+), QII: (-,+), QIII: (-,-), QIV: (+,-)

Related Terms

Ordered pairs Plotting points Unit circle

Study This Concept

Practice quadrants with free review games in these units:

Pre-Algebra Unit 8: Graphing on Coordinate Plane