Question

Axis of symmetry of f(x) = (x+2)^2-1

Answer 1

x= −2

Explanation:

vertex form of a parabola is y=a(x-h)^2+k, where (h,k) is the vertex

Comparing this to the standard form, you can see that h= −2

Therefore, the axis of symmetry for this quadratic function is

x=−2.