Conics — Grade 12
កោនិច — the whole chapter in one page: reference tables for the parabola, the ellipse and the hyperbola (standard equation, vertex, focus, directrix, asymptotes and eccentricity, both with the centre at the origin and at I(h,k)), then 55 written exercises in three sets. Use the EN ⇄ ខ្មែរ switch in the header and the whole page changes language, not just the buttons.
Lesson + 55 exercises
Khmer & English
Parabola · ellipse · hyperbola
Printable
Prepared by
ណាត ប៊ុនឆ័យ · Nat Bunchhai
Alpha Academy Cambodia
Conics are marks you can bank in the examination
Once the tables are in the head, these questions are quick and reliable. Our maths tutors drill them until a student can name the focus and the directrix on sight — at home, at our office or online.