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Category | Format | Size |
---|---|---|
Beijing Normal University Edition Ninth Grade Mathematics Volume 1 | pptx | 6 MB |
Description
"Image and Properties of Inverse Proportional Functions" PPT courseware of inverse proportional functions (Lesson 1), 14 pages in total.
Basic knowledge points
Knowledge point 1: The graph of the inverse proportional function
1. The graph of the inverse proportional function y=4/?(x>0) is (C)
2. (Yichang High School Entrance Examination) A school wants to plant a rectangular lawn with an area of 100 m2. It is required that the length of both sides is not less than 5 m. Then the length of one side of the lawn is y (unit: m) and the length of the other side is x (unit: m). The changing image may be (C)
Knowledge point 2: Coordinates of points on the graph of inverse proportional functions
3. (Original) What are the following points on the graph of the inverse proportional function y=-2020/x (B)
A.(-1,-2020)
B.(1,-2020)
C.(2020,1)
D.(-2020,-1)
Comprehensive ability improvement
8. The graph of the inverse proportional function y=k/x is as shown in the figure, then the value of k may be (B)
A.-1 B.1/2
C.1 D.2
9. The graph of the inverse proportional function is as shown in the figure, then the expression of this inverse proportional function may be (C)
A.y=2/x B.y=6/x
C.y=7/x D.y=9/x
Expand exploration and breakthrough
13. (Shaoxing High School Entrance Examination) As shown in the figure, the two acute angle vertices A and B of Rt△ABC are on the graph of the function y=k/x (x>0), AC∥x axis, AC=2, if point A The coordinates are (2,2), then the coordinates of point B are (4,1).
14. As shown in the figure, in the plane rectangular coordinate system, the straight line l passing through the point M (0,2) is parallel to the x-axis, and the straight line l is respectively connected with the inverse proportional functions y=6/x(x>0) and y=k/ The images of x(x<0) intersect at points P and Q.
(1) Find the coordinates of point P;
(2) If the area of △POQ is 8, find the value of k.
Keywords: Beijing Normal University edition ninth grade mathematics volume PPT courseware free download, image and properties of inverse proportional function PPT download, inverse proportional function PPT download, .PPT format;
For more information about the "Inverse Proportional Function Image and Properties of Inverse Proportional Function" PPT courseware, please click on the Inverse Proportional Function PPT Image and Properties of Inverse Proportional Function PPT tab.
"Image and Properties of Inverse Proportional Functions" PPT courseware of inverse proportional functions (Lesson 2):
"Image and Properties of Inverse Proportional Functions" PPT courseware of inverse proportional functions (Lesson 2), 17 pages in total. Basics of knowledge points Knowledge point 1 Properties of inverse proportional functions 1. Among the following functions, y decreases as x increases (C) A.y=-9/x(x0) B.y=11/x C.y=3/..
"The Image and Properties of Inverse Proportional Functions" PPT of Inverse Proportional Functions (Lesson 2):
"The Image and Properties of Inverse Proportional Functions" PPT on Inverse Proportional Functions (Lesson 2), 22 pages in total. Learning objectives: Properties of inverse proportional functions. Geometric properties of k in inverse proportional functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
"Image and Properties of Inverse Proportional Functions" PPT of Inverse Proportional Functions (Lesson 1):
"The Image and Properties of Inverse Proportional Functions" PPT on Inverse Proportional Functions (Lesson 1), 22 pages in total. Learning objectives The graph of the inverse proportional function The symmetry of the graph of the inverse proportional function ... ... ... Understanding new knowledge Knowledge points The graph of the inverse proportional function How to draw the graph: (1)..
File Info
Update Time: 2024-09-30
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