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ArnoldXavier

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Joined: Dec 3, 2008
Posts: 3
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please help me and feel better about yourself

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i have 5 problems i need to put on a graph :

x^2+y^2-64=0

4x^2+y^2-4=0

x^2+16y^2+160y+384=0

x^2+y^2+6x-8y+24=0

x^2+y^2-6x-8y+24=0

thanks

[Dec 3, 2008 10:39:57 AM]

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pskinner

Joined: Apr 2, 2005
Posts: 694
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Re: please help me and feel better about yourself

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i have 5 problems i need to put on a graph :

x^2+y^2-64=0

4x^2+y^2-4=0

x^2+16y^2+160y+384=0

x^2+y^2+6x-8y+24=0

x^2+y^2-6x-8y+24=0

thanks

You can use the Basic Equation Plotting Calculator:

http://www.webgraphing.com/plotting_basic.jsp

For the first equation, enter the equation exactly as you have it, but since it is a circle with radius 8, set Xmin=-8, XMax=8, Ymin=-8, and Ymax=8 to see the full graph of the circle.

For the others, you can plot with one set of values for Xmin, Xmax, Ymin, and Ymax and then plot again with a different set after you see that the circle looks like. For example, the last one has a center at (3,4) with a radius of 1, so you might want to use Xmin=2, Xmax=4, Ymin=3, and Ymax=5.
----------------------------------------
Principal Skinner

[Dec 3, 2008 11:06:01 AM]

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ArnoldXavier

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Joined: Dec 3, 2008
Posts: 3
Status: Offline

Re: please help me and feel better about yourself

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thanks I did turns out it was a face ... didn't realize i was still in preschool

[Dec 3, 2008 11:16:32 AM]

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