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25-08-2020
Mathematics

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Rewrite the function by completing the square.
f(x) = x² - 9x + 14

F(x)=?(x+?)^2+?

Respuesta :

25-08-2020

Answer:

(x-9/2)²-25/4

Step-by-step explanation:

x² - 9x + 14

to complete the square , need to add a term (b/2)²: (-9/2)²=81/4

x² - 9x -81/4+ 14+81/4

x²-9x+81/4=(x-9/2)²

14-81/4=66-81/4=-25/4

(x-9/2)²-25/4

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