Question

Find the center and radius of a circle. the equation is x^2 + (y-1)^2=1

Answer 1

hint:

the equation of a circle is \[\huge (x-h)^2 + (y-k)^2 = r^2\]
where:
(h,k) is the center
r = radius

does that help?

Answer 2

I know the equation of the circle i dont know where to start to find my radius etc

Answer 3

to get the radius...just take the square root of the number on the right side of the equation

Answer 4

do you know what the square root of 1 is?

Answer 5

Ok so its one but how about the center

Answer 6

what is your h here?

Answer 7

Would it be zero?

Answer 8

yes

Answer 9

what about k?

Answer 10

K is 1 i think

Answer 11

right. so the center woul be...?

Answer 12

(0,1)

Answer 13

right

Answer 14

Thanks for your help

Answer 15

welcome