Level:
Project ID:
1003020412
Source Problem:
Accepted:
1
Clonable:
1
Easy:
0
A parabola passes through the points \( K=[0,0] \) and \( L=[6,-2] \) and it is symmetric with respect to \( y \)-axis. What are the coordinates of its vertex?
\( [0,0] \)
\( [6,-2] \)
\( [3,0] \)
\( [-6,-2] \)
\( [0,-1] \)