rypbaird13 rypbaird13

27-10-2020
Mathematics

contestada

Write the function f (x) = 22 - 4x - 7 in vertex form.
Show your work.

Respuesta :

unicorn3125 unicorn3125

28-10-2020

Answer:

[tex]\boxed{\bold{\,f(x)=2(x-1)^2-9\,}}[/tex]

Step-by-step explanation:

[tex]f(x)=2x^2-4x-7\\\\f(x)=2(x^2-2x-3.5)\\\\f(x)=2(\underline{x^2-2x+1^2}-1^2-3.5)\\\\f(x)=2\big((x-1)^2-4.5\big)\\\\f(x)=2(x-1)^2-9[/tex]

Vertex: (1, -9)

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