Question

Where is the center of the circle given by the equation (x + 4)2 + (y -3)2 = 4? Enter your answer as an ordered pair.

Answer 1

http://www.mathwarehouse.com/geometry/circle/images/equation-of-circle/general-formula-equation-of-circle.png

where do you think?

Answer 2

general form for a circle
(x - a)^2 + (y - b)^2 = r^2

where (a,b) is the centre and r = radius

Answer 3

ohh so my origin won;d be (4, 3)

Answer 4

now compare this with

(x + 4)^2 + (y -3)^2 = 4

Answer 5

no, the 3 is correct but not the 4 - look at the sign in the first parenthesis

Answer 6

ohh (-4. 3)

Answer 7

right

Answer 8

ok i feel dumb lol

Answer 9

(x + 4) = x- (-4))

Answer 10

right
:) thanks

Answer 11

yw