"Plane Cartesian Coordinate System" Position and Coordinates PPT Courseware 5

"Plane Cartesian Coordinate System" Position and Coordinates PPT Courseware 5

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"Plane Cartesian Coordinate System" Position and Coordinates PPT Courseware 5

Review old knowledge

1. Definition of "Plane Cartesian Coordinate System":

In a plane, two mutually perpendicular number axes with a common origin form a plane rectangular coordinate system.

2. How to establish the "Plane Cartesian Coordinate System":

(1) Establish the origin O;

(2) The right direction through point O is the positive direction, and a number axis is established at the horizontal position called the x-axis or horizontal axis;

(3) The orientation through point O is the positive direction, and a number axis is established at the vertical position called the y-axis or vertical axis.

Summary of new knowledge

Coordinate characteristics of "point on a straight line parallel to two axes":

(1) Points on the straight line parallel to the x-axis: the ordinates are the same;

(2) Points on the straight line parallel to the y-axis: the abscissas are the same.

Class summary

1. Coordinate characteristics of "points on a straight line parallel to two axes":

(1) Points on the straight line parallel to the x-axis: the ordinates are the same;

(2) Points on the straight line parallel to the y-axis: the abscissas are the same.

2. Coordinate characteristics of "four quadrants, origin and points on two axes":

3. Coordinate characteristics of “a point symmetrical about the coordinate axis”:

(1) The coordinates of the point that is symmetrical about the x-axis: the same as the transverse direction and the opposite direction as the vertical direction;

(2) The coordinates of a point that is symmetrical about the y-axis: the same as the horizontal and vertical directions.

4. Coordinate characteristics of "point symmetrical about the origin":

The coordinates of a point that is symmetrical about the center of the origin: reverse both horizontally and vertically.

Keywords: position and coordinates courseware, plane rectangular coordinate system courseware, Beijing Normal University edition eighth grade mathematics volume PPT courseware, eighth grade mathematics slide courseware download, position and coordinates PPT courseware download, plane rectangular coordinate system PPT courseware download, .ppt Format

For more information about the "Position and Coordinate Plane Cartesian Coordinate System" PPT courseware, please click the Position and Coordinate PPT Plane Cartesian Coordinate System PPT tab.

"Plane Cartesian Coordinate System" Position and Coordinate PPT Courseware (Lesson 2):

"Plane Cartesian Coordinate System" Position and Coordinates PPT Courseware (Lesson 2) Part One: Knowledge Points Basic Knowledge Point 1 Establish an appropriate plane Cartesian coordinate system to find the coordinates of a point 1. As shown in the figure, there is an isosceles triangle ABC. Now we need to establish a plane Find the vertices of the rectangular coordinate system..

"Plane Cartesian Coordinate System" Position and Coordinate PPT Courseware (Lesson 1):

"Plane Cartesian Coordinate System" Position and Coordinate PPT Courseware (Lesson 1) Part One: Knowledge Points Basic Knowledge Point 1 Plane Cartesian Coordinate System and Related Concepts 1. In the plane Cartesian Coordinate System, point A (3-2) is at (D) A. The first quadrant B. The second quadrant C...

"Plane Cartesian Coordinate System" Position and Coordinates PPT (Lesson 3):

"Plane Cartesian Coordinate System" Position and Coordinate PPT (Lesson 3) Part One: Introduction of New Lesson (1) How to establish a plane Cartesian coordinate system? Answer: (1) Establish the origin O; (2) The right direction through the point O is the positive direction, and establish a number axis at the horizontal position called the x-axis or the horizontal axis; (3)..

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