3 years ago

Help me number 2. no nonsense answer. if not, i will report it

Mathematics

1 answer:

neonofarm [45]3 years ago

8 0

x²+y²-4x-2y-4=0 can be written as

(x²-4x+4)-4+(y²-2y+1)-1-4=0 (completing square)

(x-2)²+(y-1)²=9

Centre=(2,1) and radius=3

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