focal length

Chinese equivalent: 焦距

focal length The distance from the focus to the vertex, usually denoted by p, which determines the 'width' of the parabola.

Syllabus path: Geometry and Algebra › Plane Analytic Geometry › Equations and Properties of Parabolas

CSCA Exam Prep

This term is aligned to the CSCA undergraduate admissions exam syllabus. Continue with the linked tutorial and topic practice.

Practice related questions (12) · Start mock exam · Sign up — AI explanations · Membership plans

CSCA Mathematics Exam Glossary

Definition

focal length The distance from the focus to the vertex, usually denoted by p, which determines the 'width' of the parabola.

Related tutorial and examples

Equations and Properties of Parabolas

Equations and Properties of Parabolas The parabola is the only conic section with an "eccentricity e = 1 ". The key to this topic is applying the geometric definition. In the CSCA exam, mastering the four standard equations and using the "Definition Method" are crucial. 1. Defini…

Read the full tutorial and worked examples

Plan your next CSCA study step

Use this topic in a focused practice set, then connect it to the exam requirements and timed papers.