Posted by **Ariel** on Thursday, June 10, 2010 at 8:50am.

What is the equation for a circle with a diameter having the following endpoints: N(0,1) and Q(18,1)?

a.)(x - 9)^2 + (y - 1)^2 = 81

b.)(x + 2)^2 + (y - 7)^2 = 56

c.)(x)^2 + (y)^2 = 72

- Geometry HELP -
**Writeacher**, Thursday, June 10, 2010 at 8:55am
Until someone comes online with math background to give you specific help, make good use of these particular math websites:

http://www.aaamath.com/

Use the left column as table of contents.

http://www.mathisfun.com/

http://www.math.com/students/calculators/source/square-root.htm

http://www.themathpage.com/

- Geometry HELP -
**Ariel**, Thursday, June 10, 2010 at 8:57am
I will Thank you:)

- Geometry HELP -
**Writeacher**, Thursday, June 10, 2010 at 8:57am
And this site can also help you check your work:

http://www51.wolframalpha.com/

- Geometry HELP -
**Anonymous**, Tuesday, July 6, 2010 at 9:56am
Answer

a.)(x - 9)^2 + (y - 1)^2 = 81

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