Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Find the standard form of the equation of the parabola. Focus at (4, -9), directrix x = 2: (x - 4)2 = 4(y + 9); (y + 9)2 = 4(x - 3); (x + 9)2 = 4(y - 3); (y + 9)2 = 4(x - 4)
Right answer summary: (y + 9)2 = 4(x - 3)
Question state: todo