AS/A2
Pure 1
Pure 2
P3
Topic 2:
Coordinate geometry in the (x, y) plane
y
2
=4ax
Change the value of
a
and observe the effect this has on the curve.
Summary
y
2
=4ax :
is a parabola
is symmetric about the x axis
is a cartesian equation. Its parametric equivalent is x=at
2
,y=2at
Based on free Java applets from
JavaMath
Based on
free Java applets from