27-04-2017
Mathematics

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How do you Rewrite f(x) = −(x + 3)2 − 1 from vertex form to standard form?

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27-04-2017

expand it

-(x+3)^2-1
-(x+3)(x+3)-1
-1(x^2+3x+3x+9)-1
-1(x^2+6x+9)-1
-x^2-9x-9-1
-x^2-9x-10

f(x)=-x^2-9x-10

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