Ellipse Flashcards
1
Q
A set of all point where the sum of the distances of the two focal point to a point is constant.
A
Ellipse
2
Q
Standard form of ellipse.
A
(x-h)²/a²+(y-k)²/b²=1 or (x-h)²/b²+(y-k)²/a²=1
2
Q
Standard form of ellipse.
A
(x-h)²/a²+(y-k)²/b²=1 or (x-h)²/b²+(y-k)²/a²=1
3
Q
pythagorean theorem of ellipse
A
c²+b²=a²
4
Q
Who discovered the important application of ellipse in planetary object?
A
Johannes Kepler
5
Q
Perihelion and Aphelion formula
A
a-c
a+c
