9000105409

SubArea: 
Conics
Level: 
B
Project ID: 
9000105409
Source Problem: 
2010006009
Accepted: 
1
Clonable: 
1
Easy: 
0
Find the distance between the point \([7;3]\) and the focus of the parabola \(x^{2} - 8x + 8y + 8 = 0\).
\(5\)
\(9\sqrt5\)
\(3\)
\(\sqrt{13}\)