Determining the Axis of Symmetry of Quadratic Functions Which functions have an axis of symmetry of x = –2? Check all that apply
. f(x) = x2 + 4x + 3 f(x) = x2 – 4x – 5 f(x) = x2 + 6x + 2 f(x) = –2x2 – 8x + 1 f(x) = –2x2 + 8x – 2
2 answers:
Answer:


Step-by-step explanation:

To find axis of symmetry we apply formula

a= 1, b= 4

Axis of symmetry at x=-2

a= 1, b= -4

Axis of symmetry at x=2

a= 1, b= 6

Axis of symmetry at x=-3

a= -2, b= -8

Axis of symmetry at x=-2

a= -2, b= 8

answers:
f(x) = x² + 4x + 3, f(x) = –2x² – 8x + 1,
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