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Mathematics 16 Online
OpenStudy (anonymous):

??

alones (alones):

Welcome to Openstudy ;) May you post your question?

OpenStudy (anonymous):

Thank you! It is wanting me to write an equation of the circle given the graph? I'm wanting to know how to do it so I can pass a test I'm having next week!🤔

Nnesha (nnesha):

\[\huge\rm (x-h)^2 +(y-k)^2 =r^2\] general equation of a circle where (h,k) is the center point and r = radius so first find the center point

Nnesha (nnesha):

you can find radius by using the distance formula or just count how many units going to the right,left up, down from center to the circle

Nnesha (nnesha):

|dw:1462937640078:dw|

Nnesha (nnesha):

|dw:1462941505724:dw|

Nnesha (nnesha):

|dw:1462941627079:dw| center at (h,k)(-1,1) radius =3 3 to the left,right,,up ,down from centerto the circle

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