Ask
your own question, for FREE!
Mathematics
39 Online
(x-2)^2 + (y+1)^2 =16 How do I identify the center and raidus of the circle
Still Need Help?
Join the QuestionCove community and study together with friends!
The equation of a circle is (x - h)^2 + (y-k)^2 = r^2, where C(h, k) is the center and radius is r>0. Therefore, the center is (2, -1) and tthe radius is r = 4
Why is the center (2, -1)? Because we have tou rewrite the (y + 1)^2 as (y - (-1))^2 to satisfy the the formula requirements.
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
XShawtyX:
Helpud83dude4f All this graphing shi hurts my head like how tf do u do this????
Jasonisyours:
What were the key causes of the French Revolution in 1789?
brianagatica14:
A phone company charges $2 for the first five minutes of a phone call and 30 cents per minute thereafter.
CherryLover:
not sure if ya'll hear of this but last year there was this girl and her name is Aubreigh Wyatt and she was bullied by a group of people and they hated her
ctomk3743:
It's another song I had in mind (please no negative comments) I walk through the rain at night as the wind blows hard and the rain pours down on me.
6 hours ago
1 Reply
1 Medal
1 hour ago
3 Replies
5 Medals
3 hours ago
6 Replies
3 Medals
5 hours ago
41 Replies
3 Medals
1 day ago
8 Replies
7 Medals