Question

7. Coordinate
geometry​

Answer 1

Answer:

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Answer 2

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Answer:

In classical mathematics, analytic geometry, also known as coordinate geometry or Cartesian geometry, is the study of geometry using a coordinate system. This contrasts with synthetic geometry. Analytic geometry is used in physics and engineering, and also in aviation, rocketry, space science, and spaceflight.

BRIEF DESCRIPTION:

Cartesian plane

•We require two perpendicular axes to locate a point in the plane. One of them is horizontal and other is Vertical

•axis of a cartesian plane are called the coordinates axis.The horizontal axis is called x-axis and Vertical axis is called Y-axis.

axis of a cartesian plane are called the coordinates axis.The horizontal axis is called x-axis and Vertical axis is called Y-axis.The point of intersection of axis is called origin.

axis of a cartesian plane are called the coordinates axis.The horizontal axis is called x-axis and Vertical axis is called Y-axis.The point of intersection of axis is called origin.The distance of a point from y axis is called x – coordinate or abscissa and the distance of the point from x axis is called y – coordinate or Ordinate.

•The x-coordinate and y – coordinate of the point in the plane is written as (x, y) for point and is called the coordinates of the point.

•The Origin has zero distance from both x-axis and y-axis so that its abscissa and ordinate both are zero. So the coordinate of the origin is (0, 0).

The Origin has zero distance from both x-axis and y-axis so that its abscissa and ordinate both are zero. So the coordinate of the origin is (0, 0).A point on the x – axis has zero distance from x-axis so coordinate of any point on the x – axis will be (x, 0).

•A point on the y – axis has zero distance from y-axis so coordinate of any point on the y – axis will be (0, y)

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