# What is the axis of symmetry and vertex for the graph y=3x^2-8?

$\frac{- b}{2 a}$ gives the $x$ coordinate for the vertex.
$\frac{0}{-} 6 = 0$
When $x = 0$, $y = - 8$
So the vertex is (0,-8) it is a minimum as the quadratic is positive and the line of symmetry is the $y$ axis.