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anonymous
 5 years ago
how do you write the equation of a circle with given center and radius
anonymous
 5 years ago
how do you write the equation of a circle with given center and radius

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0(xa)^2 + (yb)^2 = r^2 Where r = radius, (a,b) = centre coordinates

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0thanks can you show me an example

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0(x2)^2 + (y+3)^2 = 25 Is a circle, centre (2,3), radius 5

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0(x^24x+4)+(y^2+6x+9)=25 what next!

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0You could bring all the constants, on to the right and side, but the form I gave it in in generally what is needed, and the simplest (if you want cartesian, that is)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0You just have to factor those two terms and you will get it back into the above form

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0OK. well I'm a cape student but my teacher is holding back and the time is going so im going ahead by my self

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0That sounds like fun.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yea its fun but difficult at times
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