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27-05-2017
Mathematics

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in (x-h)^2+(y-k)^2=r^2 and if the center is (3,-5), does k becomes positive? Or does it stay negative?

Respuesta :

27-05-2017

Yes, the equation has the center point subtracted from the variable. In this case the coordinate is negative so it is like adding the coordinate to the variable because --=+

(y--5)^2=(y+5)^2

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