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Sagot :
Answer:
Step-by-step explanation:
1)
[tex]y=-x^2-4x-1\\=-(x^2+4x+4)+4-1\\=-(x+2)^2+3\\\\Vertex=(-2;3)\\\\[/tex]
2)
[tex]y+x^2+2=0\\y=-x^2-2\\\\y=-(x-0)^2-2\\Vertex=(0;-2)\\[/tex]
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