Look at this graph:

| y |
| x |
-10 |
-5 |
5 |
10 |
| -10 |
| -5 |
| 5 |
| 10 |
| 0 |
What are the coordinates of the vertex?
(, )
ref_doc_title.
Jumping to level 1 of 1
Excellent!
Now entering the Challenge Zone—are you ready?
| y |
| x |
-10 |
-5 |
5 |
10 |
| -10 |
| -5 |
| 5 |
| 10 |
| 0 |
Now entering the Challenge Zone—are you ready?