f(x) = (x + 3)^2 - 2

Question

find the equation of the axis of symmetry of the parabola

Answer 1

The function is in the form:

 

f(x) = (x - h)² + k, where (h, k) is the vertex.

f(x) = (x - (-3))² -2

 

The axis of symmetry passes through the vertex.

 

The equation of the axis is x = -3