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anonymous
 one year ago
Write the equation of the circle whose center is at the origin and whose diameter is 12.
anonymous
 one year ago
Write the equation of the circle whose center is at the origin and whose diameter is 12.

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SolomonZelman
 one year ago
Best ResponseYou've already chosen the best response.1center is at the origin, (that is center at point (0,0), so h=0, k=0) diameter is one half of the radius, so if diameter is 12 then radius is how long? (hope you got this part, and now I will remind you to equation of the circle form) \(\Large\color{black}{ \displaystyle (x{\bf \color{red}{h}} )^2+ (y{\bf \color{blue}{k}} )^2 = {\bf \color{green}{r}}^2 }\) Where 1) \(\large\color{black}{ \displaystyle({\rm \color{red}{h}} ,~{\rm \color{blue}{k}} )}\) is the \(\normalsize\color{red}{ \bf c\color{blue}{e}n\color{blue}{t}e\color{blue}{r} }\) of the circle. 2) \(\large\color{black}{ \displaystyle {\rm \color{green}{r}} }\) is the \(\normalsize\color{green}{ \bf radius }\) of the circle.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0There is no picture for me to find out what the middle of the circle is!?

SolomonZelman
 one year ago
Best ResponseYou've already chosen the best response.1you don't need pics

SolomonZelman
 one year ago
Best ResponseYou've already chosen the best response.1do you know how to fill out the \(\large\color{black}{ \displaystyle (x{\rm \color{red}{h}} )^2+ (y{\rm \color{blue}{k}} )^2 }\) ?

SolomonZelman
 one year ago
Best ResponseYou've already chosen the best response.1well, your center is (0,0) that means h=0 k=0

SolomonZelman
 one year ago
Best ResponseYou've already chosen the best response.1something isn't clear?

SolomonZelman
 one year ago
Best ResponseYou've already chosen the best response.1I am asked you if you are confused about something in my explanation? I am asking you that because you don't seem to manage to fill out the left side of the equation of the circle ((( The equation of the circle: \(\large\color{black}{ \displaystyle (x{\rm \color{red}{h}} )^2+ (y{\rm \color{blue}{k}} )^2 = {\rm \color{green}{r}}^2 }\) )))

SolomonZelman
 one year ago
Best ResponseYou've already chosen the best response.1oh you got the equation of the circle? ok then...
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