Activity:
Scale Changes of Data 

Go to: 
http://mathforum.org/te/exchange/hosted/kapolka/
(opens a new window)

Description: 
How does a scale change in an equation effect the points on the graph? Given an equation, students often confuse what happens to an equation in function form with what happens to the points in a list or graph. This example will help to visualize the situation parametrically. 
Technology Type: 
TI Calculator  
Author: 
David Kapolka 
Language: 
English  
Cost: 
Does not require payment for use 

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Courses: 
Algebra II 
Vertical stretch / compression, Horizontal stretch / compression 
