Vault Of Euclid

Identify a Conic Section from its Polar Equation

Parametric equations and vector functions warmup

\[ r = \frac{-1}{1 + \cos \theta} \]
polar-coordinatesconic-sectionseccentricityparabolaidentify-conicanalytic-geometrycalculus-iiprecalculus

The solution and a full step-by-step explanation are here. Sign in to read them.

What you need first

What this problem tests

Tests the ability to recognize the standard polar form of a conic and recall the classification by eccentricity.

This is a standard exercise in Calculus II or Precalculus when introducing polar coordinates and conic sections.

More on Parametric equations and vector functions