week5(10/08)Parabola
Parabola1

Parabola2

the pair of tangents from a given point to the parabola

pair of tangents and the focus, construct the parabola

the focus, a tangent and the point

the focus and 2 tangents

the focus and the point

parabola tangent to a fixed circle having a fixed diameter as axis

the quadratic polynomial passing through three given points no two of which have the same abscissa

the cubic polynomial passing through four given points no two of which have the same abscissa

Given coefficients a,b,c,d, construct the graph of the cubic polynomial

a chain of four tangential circles to the case of graphs of quadratic polynomials
