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anonymous
 5 years ago
What is the radius of a circle defined by 2x^(2)+2y^(2)+4x12y30=0?
anonymous
 5 years ago
What is the radius of a circle defined by 2x^(2)+2y^(2)+4x12y30=0?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0x^2 +2x + y^2  6y = 15

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0by diving by 3, and rearranging

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0x^2 +2x + 1 +y^2 6y + 9 = 15 + 1 + 9

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0(x+1)^2 +(y3)^2 = 25 therefore radius is sqrt25 = 5

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0mean by dividing by 2

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Same type of question, just a bit more complex: Find the axes and the centre of this curve: 9x^24xy+6y^2=10

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0do you know how to do this?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i know its from conic sections

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I think it can be done somehow with matrices

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0but I am not that strong with matrix algebra

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0nah i definately havent seen something like that
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