Question

What is the equation of the following graph?
Answers:
x=-1/4y2
y=-1/4x2
x=1/4y2
y=1/4x2

Answer 1

are you familiar with parent graphs?

Answer 2

Not really good with names but I probably do

Answer 3

the parent graph y=x^2
which looks like

now
if we put a negative in front of the parent graph, we get
y=-x^2
which looks like