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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