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iren [92.7K]
3 years ago
7

F(x)=x2+6x+7 and f(x)=x2−4x+11 what is the vertex form of them both?

Geography
1 answer:
PilotLPTM [1.2K]3 years ago
6 0
F(x) = xNumber 1: 

f(x) = x^{2} + 6x + 7 

f(x) =  (x^{2} + 6x) + 7 

f(x) = ( x^{2} + 6x + 9) +7 - (9)

f(x) = (x + 3)^{2}  - 2 

Number 2

f(x) =  x^{2} - 4x +11 

f(x) = ( x^{2} -4x) +11

f(x) =  (x^{2} - 4x +4) +11 - (4) 

f(x) = (x - 2)^{2} +7 


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