Question

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

Answer 1

`x= (-b)/(2a) \\ \\ x= (-4)/(4)=-1`

Answer 2

`f(x) = 2x^2 + 4x + 2 = 2(x+1)^(2) =0 \\ x=-1`