Question

Write an equation of the circle centered at (7, -2) that passes through (-10, 0)

Answer 1

oh circles :3

Answer 2

to know the radius between the center and the passing point, means that u use the The Distance Formula

Answer 3

well... you guys are no fun :D
I was trying to see if joseph was still among us living folk ^.^

haha

Answer 4

\[d=\sqrt{(x_2-x_1)+(y_2-y_1)^2}\]

Answer 5

This is very easy.
First, solve for its radius.

\[r = \sqrt{((-10)-7)^2+(0-(-2)^2)} = \sqrt{(-17)^2+2^2}\]

Answer 6

also... technically, you don't need r... just r^2... nasty radicals :D
\[\large r^2 = (-17)^2 + 2^2\]