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Eduardwww [97]
3 years ago
10

What are the coordinates of the focus of the conic section shown below?

Mathematics
1 answer:
Aleksandr [31]3 years ago
7 0
The answer is 
y^2-4x+4y-4=y^2+4y-4x-4=(y+2)²-4x - 8= 0
it is the same of    x + 2 = (1/4 ) (y+2)²
   
the main formula is  x-h= a (y-k)² so h=-2, k= - 2 and a=1/4
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