Question

How to graph a parabola `x^2=4y`?

Answer 1

`x^2 = 4 y iff y = x^2 / 4`

The graph of the function `f(x) = (x^2) / 4` is the following:

graph{(x^2) / 4 [-11.25, 11.25, -5.63, 5.62]}