EntityQ1857574· pop 13· linked from 112 articlesquartic plane curveSign in to savealgebraic curve defined in projective plane by a quartic homogeneous polynomialConnectionsalgebraic curveEntityBitangents of a quarticEntityInternational Standard Book NumberEntitycomplex numberEntityCartesian coordinate systemEntityringEntitypolar coordinate systemEntityfieldEntityalgebraic geometryEntityparameterEntityRiemann surfaceEntityMathWorldEntitydegree of freedomEntityquartic equationEntitydegree of a polynomialEntitylemniscate of BernoulliEntityCassini ovalEntitymathematical singularityEntityEric W. WeissteinEntitylemniscateEntityCategoriesQuartic curves