Given the equation x^2=4y Find the focus, directrix, and focal diameter of the parabola.

Answer 1

y = x²/4

Standard Equation: y = (1/4p)(x-h)² +k

1/4 = 1/4p, p = 1, h = 0, k = 0

Focus F = (0,1)

Directrix y = -1

Focal Width |4p| = 4