Question

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Answer 1

Answer:

$(h,k)=(-2,-1)$

Step-by-step explanation:

$y=-x^{2} -4x-3\\y=-(x^2+4x+3)\\y=-(x^2+4x+3+1)-1\\y=-(x^2+4x+4)-1\\y=-(x+2)^2-1\\y=a(x-h)^2+k$