| Category | Format | Size |
|---|---|---|
| Beijing Normal University eighth grade first volume mathematics | pptx | 6 MB |
"Changing Fish" Position and Coordinates PPT Courseware 6
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"Changing Fish" Position and Coordinates PPT Courseware 6
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Ⅰ. Keep the ordinate of the "vertex" of the "fish" unchanged, add 3 to the abscissa, and then connect the obtained points with line segments.
What changes have occurred in the “fish” before and after comparison?
The "fish" translates 3 units to the right.
Ⅱ. Keep the vertical coordinate of the "vertex" of the "fish" unchanged, add -2 to the horizontal coordinate, and then connect the obtained points with line segments.
What changes have occurred in the “fish” before and after comparison?
The "fish" translates 2 units to the left.
Translation rules in the rectangular coordinate system:
(1) The ordinate remains unchanged and the abscissa increases by k respectively.
①When k>0, the graph translates to the right by |k| units;
②When k<0, the graph translates to the left by |k| units.
(2) The abscissa remains unchanged, and the ordinate increases by k respectively.
①When k>0, the graph translates upward by |k| unit;
②When k<0, the graph translates downward by |k| unit.
The expansion and contraction rules in the rectangular coordinate system:
(1) The vertical coordinate remains unchanged, and the horizontal coordinate becomes k times the original value.
①When k>1, the graph is stretched horizontally to k times the original size;
②When 0 (2) The abscissa does not change, and the ordinate becomes k times the original value. ①When k>0, the graph is stretched longitudinally to k times its original size; ②When 0 Keywords: Position and Coordinates courseware, Changing Fish courseware, Beijing Normal University Edition eighth grade mathematics volume PPT courseware, Eighth grade mathematics slide courseware download, Position and Coordinates PPT courseware download, Changing Fish PPT courseware download, .ppt format For more information about the "Fish with Changing Position and Coordinates" PPT courseware, please click on the "Fish with Changing Positions and Coordinates" ppt tag. "Changing Fish" Position and Coordinates PPT Courseware 5: "Changing Fish" Position and Coordinates PPT Courseware 5 Diagnostic Exercise 1. Translate point A (3 2) 5 units to the right to get point A1, then translate A1 upward 4 units to get point A2, then A2 The coordinates are ( ) A. (2 2) B. (2 2) C. (3 2) D. (3 .. "Changing Fish" Position and Coordinates PPT Courseware 4: "Changing Fish" Position and Coordinates PPT Courseware 4 The fish that students will see is the coordinates (0,0), (5,4), (3,0), (5,1), (5,-1 ), (3, 0), (4, -2), (0, 0) points are connected in sequence with line segments. In the example... "Changing Fish" Position and Coordinates PPT Courseware 3: "Changing Fish" Position and Coordinate PPT Courseware 3 The fish in the picture is a point with the coordinates: (00) (54) (30) (51) (5-1) (30) (4-2) (00) The vertical coordinate formed by connecting line segments in sequence remains unchanged. What will happen if the abscissa of each coordinate is doubled.
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Update Time: 2024-06-29
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