co-ordinate geometry

co-ordinate geometry

1. Cartesian plane

   • 1st quadrant - x>0,y>0
     • 2nd quadrant - x<0,y>0
       • 3rd quadrant - x<0,y<0
         • 4th quadrant- x>0,y<0
   • • The point where x-axis and y-axis intersect is called origin

2. Plotting points in a plane

   • 1. First , we have to draw co-ordinate axis and select units
     • 2. Second , from the origin we have to count units on x and y axis
       • 3. Third ,mark the corresponding points

3. Types of questions

   • 1.Plotting points on the plane
     • 2.Plotting the points and forming a shape
       • 3. Identifying the positions of the plotted points

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