Consider the parabola $x^2=16y$x2=16y.
Does the parabola open upwards or downwards?
Upwards
Downwards
State the coordinates of its vertex.
Solve for $a$a, the focal length of the parabola.
State the coordinates of the focus.
State the equation of its directrix.
Consider the parabola $x^2=16y$x2=16y.
Consider the parabola $x^2=-\frac{1}{3}y$x2=−13y.
Consider the parabola $y^2=8x$y2=8x.