coordinate geometry concept map

coordinate geometry concept map

1. cartesian system

   • meaning--- to describe a point in a plane
   • two perpendiculars lines
     • x-axis -- abscissa
     • y-axis -- co ordinate

2. quadrants

   • plane divided into 4 parts by coordinates axes
     • quadrants= +,+ axis= x>0,Y>0 ex=1,2
     • quadrants = -,+ axis=x<0,y>0, ex=-4,8
     • quadrants= - , - axis=x<0,y<0 ex=-6,-8
     • quadrants=+,- axis=x>0,x<0 ex=5,-6

3. dimension

   • one dimensional or uni dimension
   • two dimensional
   • three dimension

4. discovery of cartesian system

   • the rene descartes the great mathematecian of seventeenth centuary who developed the idea of locating the a object while resting in the bed the name was given in his honour

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