Activity:
Graph Zooming Problem 

Go to: 
http://mathforum.org/escotpow/print_puzzler.ehtml?puzzle=39
(opens a new window)

Description: 
By asking students about the intersection between two lines, this problem involves solving two linear equations graphically. However, the main purpose of the problem is to investigate what happens when a graph is zoomed with different scales. This allows students to become more familiar with Cartesian coordinates, and the representations of certain lines when graphed in such a coordinate system. 
Technology Type: 
Java Applet  
Author: 
ESCOT 
Language: 
English  
Cost: 
Does not require payment for use 

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Lesson Plan: 
Graph Zooming Teacher Support 
Tool: 
Graph Zooming 
Courses: 
Math 6 
Ratio and proportion, Rect coordinate geometry 
 Math 7 
Scale, Rect coordinate geometry 
