Question

Please check my answer?
I think it's B because both of the units are positive so they = to 4. but I'm not sure.

Answer 1

@TheSmartOne

Answer 2

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

where (h,k) is the center of the circle, and r is the radius

try again :)

you got the center and radius wrong, basically everything wrong :P

Answer 3

Would it be D then?

Answer 4

remember, it's a negative inside the parenthesis

a center of (1, 1) is

(x - 1)^2 + (y - 1)^2

Answer 5

nope :P

Answer 6

So, if my radius was wrong... That means it's C????

Answer 7

yes :)

Answer 8

Ah, thank you again

Answer 9

By the way, you can use https://www.desmos.com/calculator to check your answers :)