Question

Find the center and radius of the circle with equation (x + 9)^2+ (y + 5)^2 = 64.

Answer 1

The equation of a circle is (x-h)^2+(y-k)^2=r^2

Answer 2

the center is (h,k) and the radius is r.

Answer 3

So what is the center of your circle?

Answer 4

here try this Wed site!
http://www.mathway.com/answer.aspx?p=calg?p=%28xSMB15+SMB159%29SMB072+SMB15%28ySMB15+SMB155%29SMB072SMB15SMB01SMB1564?p=199?p=?p=?p=?p=?p=0?p=?p=0?p=?p=?p=FindSMB15theSMB15PropertiesSMB15ofSMB15theSMB15Circle

Answer 5

let me know if this work for u!

Answer 6

center (–9, –5); r = 8

Answer 7

Perfect!!

Answer 8

=D