# Graph of y = ax²

- Author:
- Anthony OR 柯志明

Use the applet to answer the questions below.

Does the graph have reflectional symmetry?

Does the graph have a highest/lowest point?

What is the direction of opening when *a* > 0?

What is the direction of opening when *a* < 0?

If *a* > 0, what happens to the graph when you increase the value of *a*?

If *a* < 0, what happens to the graph when you decrease the value of *a*?