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Mathematics 21 Online
OpenStudy (anonymous):

A circle is represented by the equation shown below. (x - 5)2 + (y + 9)2 = 144 Which statement is true? The circle is centered at (-5, -9) and has a diameter of 12. The circle is centered at (5, -9) and has a radius of 12. The circle is centered at (5, 9) and has a diameter of 12. The circle is centered at (5, 9) and has a radius of 12.

OpenStudy (anonymous):

\[\huge (x-h)^2 +(y-k)^2 = r^2\]

OpenStudy (anonymous):

what is h and k?

OpenStudy (nincompoop):

(h,k) is your center

OpenStudy (anonymous):

those are the center coordinates

OpenStudy (anonymous):

will the answer be the last one

OpenStudy (anonymous):

No, remember \[\huge - * - = +\]

OpenStudy (anonymous):

second one

OpenStudy (anonymous):

yup

OpenStudy (anonymous):

thx

OpenStudy (amoodarya):

look for guide more

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