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28-05-2016
Mathematics

Answered

what are the coordinates of the center of the circle if this is its equation:

x2 + y2 - 16x + 6y +53 = 0

Verified Answer :

28-05-2016

Hello,

x²-16x+y²+6y+53=0
==>x²-28x+8² + y²+23y+3²+53-64-9=0
==>(x-8)²+(y+3)²=20
Center is (8,-3) and radius =√20

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