Back to readingConic sectionsConic sections · DiagramsChoose another diagramVertical parabola sign casesExpand diagramFit diagram to pageUse the scrollbars or arrow keys to inspect details.Vertical parabolas in both sign cases: positive a opens up, negative a opens down. Basic vertex (0,0), symmetry x=0.Open original diagram (new tab)Previous: Four plane cuts of a double coneNext: Vertical parabola translationsRead all diagrams / printBack to reading
