Test Mode
Reading Mode
Right = 0
Wrong = 0
-2
-1
1
2
VOTE STATISTICS
OPTION 1 : 0
OPTION 2 : 0
OPTION 3 : 0
OPTION 4 : 0
OPTION 5 : 0
13x - y + 12 = 0
13x + y + 12 = 0
x + 13y + 12 = 0
x - 13y + 12 = 0