CSCA MathematicsChapter 3: Geometry & AlgebraAdvanced
Conic Sections: Ellipse, Hyperbola & Parabola
直线、圆与圆锥曲线（椭圆、双曲线、抛物线） · Node 3.1
Standard equation of lines, circles, focal definitions, eccentricity $e = c/a$, asymptotes $y = \pm \frac{b}{a}x$, and focal chord properties.
Chapter Weight: 25% of official examination
Practice This NodeCore Mathematical Axiom
Formula Proof & TrapsCSCA Exam Trap Alert
Confusing the relationship between $a, b, c$: for ellipse $a^2 = b^2 + c^2$, while for hyperbola $c^2 = a^2 + b^2$.