| Category | Format | Size |
|---|---|---|
| Beijing Normal University eighth grade first volume mathematics | pptx | 6 MB |
"Plane Cartesian Coordinate System" Position and Coordinate PPT Courseware
Description
"Plane Cartesian Coordinate System" Position and Coordinate PPT Courseware
Cartesian coordinate system
In a plane, two mutually perpendicular number axes with a common origin form a plane rectangular coordinate system.
Method: First draw a vertical line to the horizontal axis, and the number corresponding to the vertical foot is the abscissa coordinate of the point.
Then draw a vertical line to the vertical axis, and the number corresponding to the vertical axis is the vertical coordinate of the point.
1. Point (-1, 2) is in ( )
A. The first quadrant; B. The second quadrant; C. The third quadrant; D. The fourth quadrant
2. If the point (X, Y) is in the fourth quadrant, then ( )
A, X, and Y are both positive numbers. B, X, and Y are both negative numbers.
C. X is a positive number and Y is a negative number. D. X is a negative number and Y is a positive number.
3. The point where the abscissa is a positive number and the absolute value of the ordinate is a positive number is ( )
A. The first and third quadrants B. The second and fourth quadrants
C. Second and third quadrants D. First and fourth quadrants
4. If point P (a, b) is in the second quadrant, then point Q (b, a) is in ( )
A. The first quadrant; B. The second quadrant; C. The third quadrant; D. The fourth quadrant
1. Point M (-2,-1) is in the quadrant, and point N (4,6) is in the quadrant.
2. If the coordinates of point P (X, Y) satisfy X·Y = 0, then point P is on ________.
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"Plane Cartesian Coordinate System" PPT courseware download:
"Plane Cartesian Coordinate System" PPT courseware download Part One: Introduction of new lesson The picture below is a schematic diagram of a tourist attraction in a certain city. 1. How did you determine the location of each attraction? 2. How many squares are there in the west and south of the central square for Dacheng Hall? Forest of Steles in the Central Square...
"Plane Cartesian Coordinate System" PPT download:
"Plane Cartesian Coordinate System" PPT download part one content: Learning objectives: 1. Understand and be able to draw a plane Cartesian coordinate system, be able to establish a plane Cartesian coordinate system according to the needs of the graphics to be represented, and use coordinates to represent points on the graphics. 2 .at right angles to a given plane..
"Plane Cartesian Coordinate System" PPT:
"Plane Cartesian Coordinate System" PPT Part 1: How to determine the position of a point on a straight line? A point on the number axis can be represented by a number, which is called the coordinate of the point on the number axis. For example, the coordinate of point A on the number axis is -3, and the coordinate of point B on the number axis is...
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Update Time: 2024-06-25
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