Graphing Inequalities in Geometer's Sketchpad

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Graphing inequalities like x > 7 is feasible in Geometer's Sketchpad, both on a number line and in the plane. Resources for learning this technique include sketches available at isenegger.ca and a collection of tools on mathfest.blogspot.com. Users can access professional discussions and assistance through the Math Forum. For further clarification on the methods used in the provided sketches, direct contact through the blog is encouraged. This information is valuable for anyone looking to enhance their skills in graphing inequalities using Geometer's Sketchpad.
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Does anyone know how to graph x > 7 with Geometer's Sketchpad? Is it possible?
 
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Inequations in Sketchpad

It is possible to graph inequalities on a number line or in the plane.

Shawn Godin supplied the first sketch (see isenegger.ca/GSP/greater_less.gsp) and I am not sure where I picked up the other (isenegger.ca/GSP/inequality3.gsp).

I have been collecting resources for Sketchpad - see mathfest.blogspot.com/2008/05/resources-for-geometers-sketchpad.html, including the mathforum discussion group where questions like this are routinely and professionally answered. If you need any help deconstructing the methods used in either sketch above, you can contact me through my blog.

Hope this helps,

Ross
 

Thread 'Area of Overlapping Squares'

Here is a little puzzle from the book 100 Geometric Games by Pierre Berloquin. The side of a small square is one meter long and the side of a larger square one and a half meters long. One vertex of the large square is at the center of the small square. The side of the large square cuts two sides of the small square into one- third parts and two-thirds parts. What is the area where the squares overlap?
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