Learning Outcomes : • To understand the Cartesian coordinate system. • To identify the abscissa, ordinate and coordinates of any given point. • To find the distance between any two points in the Cartesian plane using formula.

**COORDINATE GEOMETRY**

*Divide each di**ﬃ**culty into as many parts as is feasible and necessary
to resolve it. **- Rene Descartes*

Rene Descartes (AD(CE)1596-1650)

The French Mathematician Rene Descartes (pronounced “DAY- CART”) developed a new branch of Mathematics known as Analytical Geometry or Coordinate Geometry which combined all arithmetic, algebra and geometry of the past ages in a single technique of visualising as points on a graph and equations as geometrical shapes. The fixing of a point position in the plane by assigning two numbers, coordinates, giving its distance from two lines perpendicular to each other, was entirely Descartes’ invention.

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**Learning Outcomes**

• To
understand the Cartesian coordinate system.

• To
identify the abscissa, ordinate and coordinates of any given point.

• To
find the distance between any two points in the Cartesian plane using formula.

• To
understand the mid-point formula and use it in problem solving.

• To
derive the section formula and apply this in problem solving.

• To understand
the centroid formula and to know its applications.

Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail

9th Maths : UNIT 5 : Coordinate Geometry : Coordinate Geometry |

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