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Quadratic Function : Ellipse

Quadratic Function:
Ellipse: (x - h)2/a2 + (y - k)2/b2 = 1
where c2 = a2 - b2
Center(h, k)
foci(h-c, h+c) and (h+c, h-c)
Quadratic Function:
Ellipse: x2/a2 + y2/b2= 1
Center(0, 0)
foci(-c, 0) and (c, 0)
ellipse equation is x^2/225 + y^2/100 = 1
x2/225 + y2/100 = 1
Center(0, 0)
F(-11.18, 0) and F(11.18, 0)
ellipse equation is (x - 5)^2/196 + y^2/100 = 1
(x - 5)2/196 + y2/100 = 1
Center(5, 0)
F(-4.8, 0) and F(14.8, 0)
ellipse equation is (x + 5)^2/100 + (y + 5)^2/64 = 1
(x + 5)2/100 + (y + 5)2/64 = 1
Center(-5, -5)
F(-11, -5) and F(1, -5)
ellipse equation is x^2/100 + (y - 5)^2/196 = 1
x2/100 + (y - 5)2/196 = 1
Center(0, 5)
F(0, 14.8) and F(0, -4.8)
ellipse equation is (x + 5)^2/100 + y^2/64 = 1
(x + 5)2/100 + y2/64 = 1
Center(-5, 0)
F(-11, 0) and F(1, 0)