, Resumen
Figuras IR2
Circunferencia
centro =
(h k) ,
(x -
h)2 + (y -
k)2 = ra r =
radio
x2 + yz = w2
Parabola · (h k)
,
·
Vertical
y - k = a(x -
h)2 (h k)
vertice =
,
·
(hik)
·
(h , k)
a 0 as 0
·
horizontal
x -
n = a(y k)2 -
vertice = (h k)
.
* ⑤
Chik)
(k , k)
a 0 a - 0