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vova2212 [387]
3 years ago
7

What is the center and radius of the circle with equation x2 + y2 + 6x + 16y + 64 = 0?

Mathematics
1 answer:
almond37 [142]3 years ago
5 0
Hello,
 
By making factors:
x^2+y^+2+6x+16y+64=0\\
x^2+6x+9+y^2+16y+64-9=0\\
(x+3)^2+(y+8)^2=9\\
radius=3




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