NCERT Exemplar Class 9 Maths Unit 3 Coordinate Geometry

Candidates can download NCERT Exemplar Class 9 Maths Unit 3 from this page. The exemplar has been provided by the National Council of Educational Research & Training (NCERT) and the candidates can check it from below for free of cost. It contains objective, very short answer type, short answer type, and long answer type questions. Along with it, the answer for each question has also been provided. From the NCERT Exemplar Class 9 Maths Unit 3, candidates can understand the level and type of questions that are asked in the exam.

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NCERT Exemplar Class 9 Maths Unit 3 Coordinate Geometry

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NCERT Class 9 Maths Unit 3 is for Coordinate Geometry. The type of questions that will be asked from NCERT Class 9 Maths Unit 3 are displayed in the below provided NCERT Exemplar Class 9 Maths Unit 3. With the help of it, candidates can prepare well for the examination.

Main Concepts and Results

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Cartesian system
Coordinate axes
Origin
Quadrants
Abscissa
Ordinate
Coordinates of a point
Ordered pair
Plotting of points in the cartesian plane:
- In the Cartesian plane, the horizontal line is called the x-axis and the vertical line is called the y-axis,
- The coordinate axes divide the plane into four parts called quadrants,
- The point of intersection of the axes is called the origin,
- Abscissa or the x-coordinate of a point is its distance from the y-axis and the ordinate or the y-coordinate is its distance from the x-axis,
- (x, y) are called the coordinates of the point whose abscissa is x and the ordinate is y,
- Coordinates of a point on the x-axis are of the form (x, 0) and that of the point on the y-axis is of the form (0, y),
- The coordinates of the origin are (0, 0),
- Signs of the coordinates of a point in the first quadrant are (+, +), in the second quadrant (–, +), in the third quadrant (–, –) and in the fourth quadrant (+, –).