CO-ORDINATE GEOMETRY

CO-ORDINATE GEOMETRY

1. GRAPH OF LINEAR EQUATION STEPS:- Step1:-Convert the equation in the form of y=mx+c. Step2:- Select at least 3 pairs of x and y that satisfies the equation. Step3:-Draw a table and list the pairs of x and y in ascending order. Step4:-Plot these ordered pairs in a graph paper. Step5:-Finally draw a straight line connecting all the points. Hence the graph is ready for the equation

2. CERTESIAN PLAIN

   • USE
     • USE OF CARTESIAN PLANE:- To describe theposition of a point. X - axis is known as abscissa and Y-axis is known as ordinate
   • QUADRATANTS
     • The cartesian plane is divided into 4 planes:- QUADRANT1[+,+]:-x>0;y>0 QUADRANT2[-,+]:-x<0,y>0 QUADRANT3[-,-]:-x<0,y<0 QUADRANT4[+,-]:-x>0,y<0

3. PLOTTING POINTS IN A CARTESIAN PLAIN

   • STEP1:-First we need to check the ordered pair Step2:-T hen mark the point according to ordered pair . First mark the x-axis then y-axis. Step3:- Join straight lines to the axis from the point

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