Find the axis of symmetry of the parabola defined by the given quadratic function.
-$$f ( x ) = x ^ { 2 } + 2$$
A) $y = 2$
B) $x = 2$
C) $x = - 2$
D) $x = 0$

Question

Quizplus · Accepted Answer

The axis of symmetry of a parabola defined by a quadratic function in the form $f(x) = ax^2 + bx + c$ is given by $x = -\frac{b}{2a}$. For the given function $f(x) = x^2 + 2$, $a = 1$ and $b = 0$, so the axis of symmetry is $x = -\frac{0}{2(1)} = 0$.

Find the Axis of Symmetry of the Parabola Defined by the Given