Question

Write the standard equation form for ⊙ A?

Answer 1

ok, so what is the centre and what is the radius

the standard form is

\[(x - h)^2 + (y - k)^2 = r^2\]

(h, k) is the centre and r is the radius of the circle.

Answer 2

Oh, I think i get it. It would be (x--1)^+(y--2)^=3^ right?

Answer 3

yes... but simplify it to

\[(x+1)^2 + (y + 2)^2 = 9\]