It will look like a half branch of a parabola opened upward
You can either create a table by choosing values of y 0, 1, 2, 3, 4 and so on
or
A = 0.25 d^2
so the center is (0,0)
and for d = (2)
A = 1
and for A = 0.25
d = 1
and try to draw it with just 3 points
