Ask your own question, for FREE!
Mathematics 11 Online
OpenStudy (anonymous):

What is the equation of the graph?

OpenStudy (anonymous):

OpenStudy (anonymous):

(x – 2)2 + (y + 4)2 = 16 (x – 2)2 + (y + 4)2 = 64 (x + 2)2 + (y – 4)2 = 16 (x + 2)2 + (y – 4)2 = 64

OpenStudy (anonymous):

its c or d . but i cant decide .

OpenStudy (anonymous):

i think c ?

OpenStudy (anonymous):

center looks like it is at \((-2,4)\) right?

OpenStudy (anonymous):

yess..

OpenStudy (anonymous):

so you are right, it must be C or D now how about the radius?

OpenStudy (anonymous):

that idk how to find.

OpenStudy (anonymous):

oh, with your eyeballs what is the distance between say \((-2,4)\) and the bottom most point on the circle? count the spaces

OpenStudy (anonymous):

or to the top or to the left or to the right, whichever you choose looks like 4 units to me

OpenStudy (anonymous):

4 boxes

OpenStudy (anonymous):

right, so \(r=4\) and therefore \(r^2=16\)

OpenStudy (anonymous):

thankyou very much (:. this is my third time taking this test and like the first to help . please if you see anymore post by me please help (: ii would appreciate it greatlyy.

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!
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!