| Category | Format | Size |
|---|---|---|
| Beijing Normal University Edition Eighth Grade Mathematics Volume 1 | pptx | 6 MB |
"Determining the expression of a linear function" linear function PPT courseware
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"Determining the expression of a linear function" linear function PPT courseware
An object slides down a slope. The relationship between its speed v (m/s) and its sliding time t (seconds) is as shown in the figure.
(1) What is the speed of the object when it slides down for 2 seconds?
(2) What type of functional relationship between v and t is?
Determine the expression of the proportional function y=kx:
You only need a set of variable corresponding values of the proportional function y=kx (the coordinates of a point on the image other than the origin).
Determine the expression of the linear function y=kx+b:
Two sets of corresponding variable values (coordinates of two points on the image) of the linear function y=kx+b are required.
An object is thrown vertically upward from the ground. Before it hits the ground, the upward velocity v (m/s) of the object is a linear function of the movement time t (s). After measurement, the initial velocity of the object (the velocity of the object when t=0) is 25 meters/second, and the velocity of the object after 2 seconds is 5 meters/second.
(1) Write the relationship between v and t;
(2) How long will it take for the object to reach its highest point? (The speed of the object at this time is 0)
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For more information about the PPT courseware "Determining the expression of a linear function by a linear function", please click the PPT label of "Determining the expression of a linear function by a linear function PPT".
"Determining the expression of a linear function" linear function PPT courseware 4:
"Determining the Expression of a Linear Function" Linear Function PPT Courseware 4 Understand that two conditions determine a linear function, one condition determines a proportional function, and be able to find the expression from this. Can use the undetermined coefficient method to solve simple real-life problems and determine based on the graph of the function.
"Determining the expression of a linear function" linear function PPT courseware 3:
"Determining the expression of a linear function" linear function PPT courseware 3 Review and thinking 1. What is a linear function? If the relationship between two variables xy can be expressed in the form of y=kx+b (kb is the constant k0), it is called y is a linear function of x. 2. What is the graph of a linear function?
"Determining the expression of a linear function" linear function PPT courseware 2:
"Determining the expression of a linear function" linear function PPT courseware 2
An object slides down a slope. The relationship between its speed v (m/s) and its sliding time t (seconds) is as shown in the figure on the right:
(1) Please write down the relationship between v and t..
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Update Time: 2024-07-04
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