1003083113

SubArea: 
Quadratic functions
Level: 
B
Project ID: 
1003083113
Accepted: 
1
Clonable: 
0
Easy: 
0
Determine the coordinates of the parabola vertex, if the parabola is the graph of f(x)=−43x2+8x−13.
[3;−1]
[3;−22]
[−3;−1]
[−3;22]