The focus of a parabola is (2,0)(2, 0)(2,0) and the directrix is x=−2x = -2x=−2. What is the equation?
y2=4xy^2 = 4xy2=4x
y2=8xy^2 = 8xy2=8x
x2=4yx^2 = 4yx2=4y
x2=8yx^2 = 8yx2=8y