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Problem 9 (page 2).

problem_9.png

To solve this problem i put the point (2,3) on the graph then drew a line up to the y=3 line for visual purposes. I then went over a few spaces and connected it with the hypotenuse again going over on the y=3 line for the visual aspect since we are solving for what that really is. Since we know the distance from the point to the y=3 line and we know the hypotenuse so solve for the distance left and right of (2,-3) on the y=3 line.
Your math should look some thing like this:
external image latex2png.2.php?z=100&eq=10%5E2-6%5E2%3D64%0Aexternal image latex2png.2.php?z=100&eq=%5Csqrt%7B64%7D%3D%5Cpm8%0A
The distance to the left and right on the line y=3 is 8. The plus and minus is there to show that it is 8 to the right and 8 to the left. In the picture i drew a circle around the points showing that anything on that circle will be exactly 10 units from (2,3) it also shows that they both are the same distance from (2,3).

Problem 10 (page 17)


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Geogebra Problem (10/29/2010)




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Geogebra Problem (11/05/2010)


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Geogebra Problem (11/12/2010)


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The sequence command was used to make the number of sides on three polygons increase at different rates but still use the same slider.
Can you figure out what rate each side is increasing at? (It's really easy)


Geogebra Problem (11/23/2010)


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Geogebra Problem (11/29/2010)

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Geogebra 3D Screen Cast (12/13/2010)

Sorry but i dont have a mic but everything is pretty straight foward. I put some points in then connected them all and then made triangles inside of the box to prove they are all the same.



Winter break applet and screen cast

Argand Diagram
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Geogebra 1/23/2011