For the graph of the equation $y=-x^3 + 9$, answer the following questions.

The $x$-intercepts have $x =$
Note: If there is more than one answer enter them separated by commas. If there are none, enter none .
The $y$-intercepts have $y=$
Note: If there is more than one answer enter them separated by commas. If there are none, enter none .

Is the graph symmetric with respect to the $x$-axis? Input yes or no here :
Is the graph symmetric with respect to the $y$-axis? Input yes or no here :
Is the graph symmetric with respect to the origin? Input yes or no here :

Your overall score for this problem is