Goracke853 Goracke853

05-08-2015
Mathematics

contestada

What is the axis of symmetry for f(x) = 2x2 + 4x + 2
a. x=-3 b)x=-1 c)x=1 d)x=3

Respuesta :

05-08-2015

[tex]f(x) = 2x^2 + 4x + 2 = 2(x+1)^{2} =0 \\ x=-1[/tex]

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Benjamin16 Benjamin16

09-08-2015

[tex]x= \frac{-b}{2a} \\ \\ x= \frac{-4}{4}=-1 [/tex]

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