All Four Quadrants

Learn all four quadrants of a coordinate system.

The plane of the graph paper is divided into four regions by the coordinate axes and the four regions are called quadrants.

What are the Quadrants in the Coordinate Plane?

All four Quadrants

 The region XOY is called the I quadrant.

In first quadrant, both x and y co-ordinate are positive.

The region X’OY’ is called the II quadrant.

In second quadrant x co-ordinate is negative and y co-ordinate is positive.

The region X’OY’ is called the III quadrant.

In third quadrant both x and y co-ordinate are negative.

The region XOY’ is called the IV quadrant.

In fourth quadrant x co-ordinate is positive and y co-ordinate is negative.

According to the quadrants the signs of the co-ordinate of a point are of the form:

All Four Quadrants

(+, +) in the first quadrant

(-, +) in the second quadrant

(-, -) in the third quadrant

(+, -) in the fourth quadrant

The table will help us to remember the region of the quadrants and theirs signs of coordinates.


       Region             Quadrant        Signs of Coordinates   
XOY
I
(+, +)
YOX’
II
(-, +)
X’OY’
III
(-, -)
Y’OX
IV
(+, -)


Related Concepts:

Coordinate Graph

Ordered pair of a Coordinate System

Plot Ordered Pairs

Coordinates of a Point

Signs of Coordinates

Find the Coordinates of a Point

Coordinates of a Point in a Plane

Plot Points on Co-ordinate Graph

Graph of Linear Equation

Simultaneous Equations Graphically

Graphs of Simple Function

Graph of Perimeter vs. Length of the Side of a Square

Graph of Area vs. Side of a Square

Graph of Simple Interest vs. Number of Years

Graph of Distance vs. Time



7th Grade Math Problems

8th Grade Math Practice

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