Answer
D
Work Step by Step
$a = 1, b = 0, \space \text{and} \space c = -6$. a is a Positive coefficient, so the graph opens upward.
Use the axis of symmetry formula, $-b/2a$ to find the axis of symmetry.
$-(0)/2(1)\\
0/2\\
0$
After solving, we find that our axis of symmetry is x = 0.
These characteristics best represent answer choice D.
