Coordinate Geometry

Coordinate Geometry

1. The branch of mathematics in which geometric problems are solved through algebra by using the coordinate system is known as coordinate geometry.

2. Cartesian Coordinate System

   • The position of a point in a plane is determined with reference to two fixed mutually perpendicular line is called the coordinate axes
     • Types of coordinates
       • y-coordinate
         • Every point on y-axis is at the distance of 0 unit from the y-axis.So, its abcissa is 0
       • x -coordinate
         • Every point on the x-axis is at the distance of 0 unit from the x-axis.So, the ordinate is 0

3. Rene Descartes : He was a French mathematician of 17th century who introduced the cartesian system of coordinates of describing position of a point in a plane.

4. Quadrants

   • Quadrants are the axes that divides the plane of the paper into four regions
     • Types of Quadrants
       • 2nd quadrant
       • 1st quadrant
       • 3rd quadrant
       • 4th quadrant

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