The semicubical parabolas
t↦(t2,a⋅t3){\displaystyle t\mapsto (t^{2},a\cdot t^{3})}resp.

y2=a2x3{\displaystyle y^{2}=a^{2}x^{3}\,}
for three different parameters: a{\displaystyle a} = 1 (yellow), a{\displaystyle a} = 2 (blue) and a{\displaystyle a} = 1/3 (red).
Own work
Georg-Johann