Parabolas Flashcards
1
Q
Vertex (0,0)
A
X^2=4py; up or down; focus (p,0); directrix y=-p; focal length=p; focal width=4p
Y^2=4px; left or right; focus (0,p); directrix x=-p;
Vertex (0,0)
X^2=4py; up or down; focus (p,0); directrix y=-p; focal length=p; focal width=4p
Y^2=4px; left or right; focus (0,p); directrix x=-p;