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Mathematics 20 Online
OpenStudy (anonymous):

vertex, line of semmetry, min/max value of f(x) f(x)=-(x+9)^2-7

OpenStudy (saifoo.khan):

-a(x-h) + k vertex = (h,k)

OpenStudy (saifoo.khan):

Therefore, vertex: (-9,- 7 )

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