Posted by Ariel on .
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,
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/squareroot.htm
http://www.themathpage.com/ 
Geometry HELP 
Ariel,
I will Thank you:)

Geometry HELP 
Writeacher,
And this site can also help you check your work:
http://www51.wolframalpha.com/ 
Geometry HELP 
Anonymous,
Answer
a.)(x  9)^2 + (y  1)^2 = 81