The table shows some values of and their corresponding values of .
| x | y |
|---|---|
| -2 | 4 |
| -1 | 1 |
| 0 | 0 |
| 1 | 1 |
| 2 | 4 |
Which of the following statements is true about the graph of the relationship between and ?
The graph is a straight line.
The graph is symmetric with respect to the -axis.
The graph has a -intercept at .
The graph opens downwards.
