Answer
$(0,0)$ is the vertex
Work Step by Step
$f(x)=x^2$
$f(x)=(x-0)^2$
Axis of symmetry is $x=0$
Vertex
$f(x)=x^2$
$f(0)=0^2$
$f(0)=0$
$(0,0)$ is the vertex
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